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Most-cited are based on citations from 2024 ~ 2026.

Statistical Review Article
Sample size determination for conducting a pilot study to assess reliability of a questionnaire
Mohamad Adam Bujang, Evi Diana Omar, Diana Hui Ping Foo, Yoon Khee Hon
Restor Dent Endod 2024;49(1):e3.   Published online January 10, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e3
AbstractAbstract PDFPubReaderePub

This article is a narrative review that discusses the recommended sample size requirements to design a pilot study to assess the reliability of a questionnaire. A list of various sample size tables that are based on the kappa agreement test, intra-class correlation test and Cronbach’s alpha test has been compiled together. For all calculations, type I error (alpha) was set at a maximum value of 0.05, and power was set at a minimum value of 80.0%. For the kappa agreement test, intra-class correlation test, and Cronbach’s alpha test, the recommended minimum sample size requirement based on the ideal effect sizes shall be at least 15, 22, and 24 subjects respectively. By making allowances for a non-response rate of 20.0%, a minimum sample size of 30 respondents will be sufficient to assess the reliability of the questionnaire. The clear guideline of minimum sample size requirement for the pilot study to assess the reliability of a questionnaire is discussed and this will ease researchers in preparation for the pilot study. This study provides justification for a minimum requirement of a sample size of 30 respondents specifically to test the reliability of a questionnaire.

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Statistical Research Article
An elaboration on sample size determination for correlations based on effect sizes and confidence interval width: a guide for researchers
Mohamad Adam Bujang
Restor Dent Endod 2024;49(2):e21.   Published online May 2, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e21
AbstractAbstract PDFPubReaderePub
Objectives

This paper aims to serve as a useful guide for sample size determination for various correlation analyses that are based on effect sizes and confidence interval width.

Materials and Methods

Sample size determinations are calculated for Pearson’s correlation, Spearman’s rank correlation, and Kendall’s Tau-b correlation. Examples of sample size statements and their justification are also included.

Results

Using the same effect sizes, there are differences between the sample size determination of the 3 statistical tests. Based on an empirical calculation, a minimum sample size of 149 is usually adequate for performing both parametric and non-parametric correlation analysis to determine at least a moderate to an excellent degree of correlation with acceptable confidence interval width.

Conclusions

Determining data assumption(s) is one of the challenges to offering a valid technique to estimate the required sample size for correlation analyses. Sample size tables are provided and these will help researchers to estimate a minimum sample size requirement based on correlation analyses.

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Review Article
Cone-beam computed tomography in endodontics: from the specific technical considerations of acquisition parameters and interpretation to advanced clinical applications
Néstor Ríos-Osorio, Sara Quijano-Guauque, Sandra Briñez-Rodríguez, Gustavo Velasco-Flechas, Antonieta Muñoz-Solís, Carlos Chávez, Rafael Fernandez-Grisales
Restor Dent Endod 2024;49(1):e1.   Published online December 11, 2023
DOI: https://doi.org/10.5395/rde.2024.49.e1
AbstractAbstract PDFPubReaderePub

The implementation of imaging methods that enable sensitive and specific observation of anatomical structures has been a constant in the evolution of endodontic therapy. Cone-beam computed tomography (CBCT) enables 3-dimensional (3D) spatial anatomical navigation in the 3 volumetric planes (sagittal, coronal and axial) which translates into great accuracy for the identification of endodontic pathologies/conditions. CBCT interpretation consists of 2 main components: (i) the generation of specific tasks of the image and (ii) the subsequent interpretation report. A systematic and reproducible method to review CBCT scans can improve the accuracy of the interpretation process, translating into greater precision in terms of diagnosis and planning of endodontic clinical procedures. MEDLINE (PubMed), Web of Science, Google Scholar, Embase and Scopus were searched from inception to March 2023. This narrative review addresses the theoretical concepts, elements of interpretation and applications of the CBCT scan in endodontics. In addition, the contents and rationale for reporting 3D endodontic imaging are discussed.

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Research Articles
Evaluation of mineral induction ability and cytotoxicity of carbonated hydroxyapatite for pulp tissue regeneration: an in vitro study
S. Swathi Priyadharshini, Chinnasamy Ragavendran, Anand Sherwood, J. Ramana Ramya, Jogikalmat Krithikadatta
Restor Dent Endod 2024;49(4):e40.   Published online October 29, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e40
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to evaluate carbonated hydroxyapatite (CHA)’s ability for mineral induction and its in vitro cytotoxicity with human dental pulp cells.

Materials and Methods

Precursors for the study include di-ammonium hydrogen phosphate and calcium nitrate tetrahydrate, with sodium hydrogen carbonate added to achieve different levels of carbonate substitution. The synthesized CHA samples are characterized using X-ray diffraction, Fourier transform infrared spectroscopy, and Raman spectroscopy. Scanning electron microscopy (SEM) was used to observe morphology. For 14 days at 37°C, samples were submerged in simulated body fluid to assess their mineral induction capabilities. SEM was used to confirm apatite formation on sample surfaces. The cytotoxicity assay was used to assess the vitality of the cells following their exposure to various concentrations of CHA.

Results

The Joint Committee on Powder Diffraction Standards data for HA aligned well with the results from X-ray diffraction analysis of CHA across 3 different concentrations, indicating strong agreement. Fourier transform infrared spectra indicated the presence of phosphate, hydroxyl, and carbonate groups within the samples. SEM and Energy-dispersive X-ray analysis show agglomerated and flaky nanoparticles. All the samples are bioactive, but the formation of apatite differs from one another. In vitro cytotoxicity assay showed that over 70% of cells maintain viability.

Conclusions

The results of this study may provide insight into the potential use of carbonated HA as a dental pulp-capping material for vital pulp therapy.

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  • Advanced structural and compositional profiling of mineral trioxide aggregate incorporated with nano-carbonated hydroxyapatite: a comprehensive X-ray diffraction and energy dispersive X-ray investigation
    Njwan Fadhel Shehab, Nadia Hameed Hasan, Alaa Edrees Dawood, Nawal Atiya Khalaf
    Biomaterial Investigations in Dentistry.2025; 12: 216.     CrossRef
  • 2,392 View
  • 117 Download
  • 8 Web of Science
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Fracture resistance and failure modes of endodontically-treated permanent teeth restored with Ribbond posts vs other post systems: a systematic review and meta-analysis of in vitro studies
Meghana Aditya Vartak, Vibha Rahul Hegde, Sanitra Rahul Hegde, Ushaina Fanibunda
Restor Dent Endod 2025;50(1):e5.   Published online February 17, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e5
AbstractAbstract PDFPubReaderePub
Objectives
This systematic review aimed to investigate the fracture resistance and mode of failure of endodontically-treated permanent teeth restored with Ribbond posts (Ribbond, Inc.) compared with endodontically-treated permanent teeth restored with other post systems.
Methods
A comprehensive, systematic literature search was carried out using several electronic databases: MEDLINE/PubMed, Google Scholar, and Cochrane Library. Two separate researchers were appointed to identify the studies meeting the eligibility criteria, and to perform the data extraction, risk of bias, and quality assessment.
Results
Twelve studies were included in the quantitative analysis. Meta-analysis was performed with 11 of the 12 included articles. The meta-analysis showed that Ribbond posts have a fracture strength less than prefabricated metal posts, cast metal posts, and prefabricated fiber posts and greater than custom e-glass fiber posts. Mode of failure analysis revealed that Ribbond posts have the most favorable non-catastrophic fractures.
Conclusions
Although Ribbond posts have lower fracture resistance, their favorable mode of failure makes them potentially the most biomimetic post system.

Citations

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  • Effect of Short and Long Fiber-Reinforced Composite Resins Used as Post and Core on Fracture Resistance of Premolars: An in vitro Study
    Manal Hussian Abd-alla, Tuqa Jameel Ebrahim, Ahmed Sleibi Mustafa
    Al-Rafidain Journal of Medical Sciences ( ISSN 2789-3219 ).2026; 10(1): 66.     CrossRef
  • Análise comparativa dos aspectos biomecânicos dos pinos de fibra de vidro e fibra de polietileno (RIBBOND) - revisão de literatura
    Ana Kamily da Cunha Silva, Tânia Regina Carvalho de Sá, Livia Duarte Santos Lopes de Carvalho, Lilian Gomes Soares Pires, Marconi Raphael de Siqueira Rego, Matheus Araújo Brito Santos Lopes
    RCMOS - Revista Científica Multidisciplinar O Saber.2025;[Epub]     CrossRef
  • Biomimetic Strategies for the Rehabilitation of Compromised Anterior Teeth
    Aakansha Puri, M.S. Prathap
    Contemporary Clinical Dentistry.2025; 16(3): 218.     CrossRef
  • Clinical Outcomes of Nonmetallic Customized Post-and-Core Systems: A Systematic Review
    Jonathan Jun Xian Yuen, Yew Hin Beh, Zhi Kuan Saw, Hock Siang Chua
    Journal of Endodontics.2025;[Epub]     CrossRef
  • Evaluation of fracture resistance and crack propensity of bulk-fill composite restorations reinforced by polyethylene fiber
    Ayşe Aslı Şenol, Aybike Manav, Bengü Doğu Kaya, Pınar Yılmaz Atalı, Erkut Kahramanoğlu, Bilge Tarçın, Cafer Türkmen
    BMC Oral Health.2025;[Epub]     CrossRef
  • A Comparative Study on the Fracture Resistance of CAD/CAM–Fabricated Single‐Piece Post‐Crowns
    Ali Erdem, Mehmet Selim Bilgin, Ibrahim Ersoy, Erhan Dilber, Ebru Nur Işık, Tan Fırat Eyüboğlu, Mutlu Özcan
    Clinical and Experimental Dental Research.2025;[Epub]     CrossRef
  • Fracture Resistance of Extensively Compromised Anterior Teeth Restored With Fiberglass Posts and Biomimetic Protocols: An In Vitro Study
    Chiu Tzyy Haur, Emanuel Ewerton Mendonça Vasconcelos, Natália Gomes de Oliveira, Gabriela Queiroz de Melo Monteiro, Luís Felipe Espíndola‐Castro
    Journal of Esthetic and Restorative Dentistry.2025;[Epub]     CrossRef
  • CAD/CAM Technologies in Post and Core Restoration of Endodontically Treated Teeth: Current Evidence, Clinical Applications, and Interdisciplinary Perspectives
    Rawabi Abdulrahman Ahmed, Faris Ali Aseri, Ahmed Saleh Alammari, Zaher Saleh Asiri, Fahad Oudah Al Matir, Sami Safar Al Shahrani, Abdullah Ali Alharthi, Abdulaziz Ahmed Alfaifi, Hassan Yahya Hassan Asiri, Hassan Manea Ali Al Fotais, Amal Mali Almutairi, A
    Journal of Clinical Practice and Medical Research.2025; 1(3): 178.     CrossRef
  • 12,154 View
  • 463 Download
  • 4 Web of Science
  • 8 Crossref
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Single-session associative protocol for dentin hypersensitivity management: a 1-year randomized, blinded clinical study
Thayna Carolina Zeni, Poliana Maria de Faveri Cardoso, Rafael da Silva Vanolli, Márcio José Mendonça, Julio Katuhide Ueda, Veridiana Camilotti
Restor Dent Endod 2024;49(2):e15.   Published online March 20, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e15
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to establish a single-session associative protocol for non-restorative management of dentin hypersensitivity (DH).

Materials and Methods

Twenty-four individuals with DH and a minimum sensitivity level of 4 on the visual analog scale (VAS) were selected. The study was conducted in a split-mouth design, with each participant (n = 20) having at least 1 affected tooth in all quadrants. The management protocols consisted of control group: universal adhesive, Neural Desensitizing Protocol group: 5% potassium nitrate, Mixed Desensitizing Protocol (PAM) group: 5% sodium fluoride and 5% potassium nitrate, Remineralizing Desensitizing Protocol (PDR) group: surface-partially reacted glass technology photopolymerizable varnish. Evaluations were performed immediately after application, at 1 week, 1 month, 2 months, and 12 months using the VAS sensitivity test.

Results

The scores were subjected to statistical analysis using the Friedman test (p < 0.05), Durbin-Conover test (p < 0.05), and Wilcoxon test (p < 0.05). At the 12-month evaluation, all groups showed statistically significant differences compared to the initial assessment. For the evaluation after 12 months, there was a statistically significant difference between the PAM group, the control group, and the PDR group.

Conclusions

It can be concluded that all groups were effective in controlling DH, but there were significant results in the control group and PDR group. The clinical relevance of this study is to demonstrate that the application of single-session desensitizing protocols can be effective in controlling DH for up to 12 months.

Trial Registration

Brazilian Clinical Trials Registry Identifier: RBR-4r63d7s

Citations

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  • In vivo and in situ evaluation of innovative approaches in dentin hypersensitivity treatment
    Heba Abd El-Fattah Mohamed, Dina Ezzeldin Mohamed, Elhassan Hassanein, Heba El-din Salah El-din Hamza
    BMC Oral Health.2025;[Epub]     CrossRef
  • Publication trends and scientific profile of clinical trials on universal adhesives in dentistry: A metrics-based review
    Aurélio de Oliveira Rocha, Lucas Menezes dos Anjos, Michael Willian Favoreto, Michely Cristina Goebel, Bruno Henriques, Alessandra Reis, Alessandro D. Loguercio, Mariane Cardoso
    Journal of Dentistry.2025; 161: 105965.     CrossRef
  • EVALUATION OF PUSH-OUT BOND STRENGTH OF GLASS FIBER POSTS USING DIFFERENT LUTING CEMENTS
    Jannah Mohammed, Maha Agha
    BULLETIN OF STOMATOLOGY AND MAXILLOFACIAL SURGERY.2025; : 274.     CrossRef
  • EVALUATION OF PUSH-OUT BOND STRENGTH OF GLASS FIBER POSTS USING DIFFERENT LUTING CEMENTS
    Jannah Mohammed, Jannah Mohammed
    BULLETIN OF STOMATOLOGY AND MAXILLOFACIAL SURGERY.2025; : 274.     CrossRef
  • CLINICAL AND BEHAVIORAL DETERMINANTS OF DENTIN SENSITIVITY AMONG DENTAL STUDENTS: AN INSTITUTIONAL CROSS-SECTIONAL STUDY
    Giuseppe Eliseo ALLOCCA, Alexandrina MUNTEAN , Cristian Doru OLTEANU , Sorana Maria BUCUR
    Medicine and Materials.2025; 5(2): 73.     CrossRef
  • Desensitizing efficacy of a universal dentin adhesive containing mesoporous bioactive glass on dentin hypersensitivity: a randomized clinical trial with a split-mouth model
    Hyun-Jung Kim, Soram Oh, Jiyoung Kwon, Kyoung-Kyu Choi, Ji-Hyun Jang, Duck-Su Kim
    Scientific Reports.2024;[Epub]     CrossRef
  • 6,178 View
  • 127 Download
  • 3 Web of Science
  • 6 Crossref
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Pattern of endodontic instrument separation and factors affecting its retrieval: a 10-year retrospective observational study in a postgraduate institute
Velmurugan Natanasabapathy, Aswathi Varghese, Paul Kevin Abishek Karthikeyan, Srinivasan Narasimhan
Restor Dent Endod 2025;50(1):e7.   Published online February 19, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e7
AbstractAbstract PDFPubReaderePub
Objectives
This study aimed to assess the pattern of endodontic instrument separation, their retrievability, and factors affecting its retrieval, in a postgraduate institute.
Methods
Cases referred for the management of separated endodontic instruments (SEI) from 2013 to 2023 were considered for this study. Data related to demographics, tooth type, file type, and retrieval were documented in an Excel sheet. Eight prognostic factors assumed to influence the retrieval were analyzed in this study. The secondary aim was to compare the pattern of SEI and retrievability between conventional nickel-titanium files and newer generation heat-treated nickel-titanium files. Retrieval was attempted by a senior endodontist under the dental operating microscope. Various ultrasonic tips and a Broken Tool Removal loop system were used during retrieval. Simple descriptive statistics were performed. Binomial logistic regression was done to identify the effect of the eight prognostic factors on the retrieval outcome.
Results
A total of 190 SEI was reported. SEI occurred more often in posterior teeth than anterior teeth, mandibular arch than maxillary arch, and in larger files than smaller files. Separation occurred more often in the apical third compared to the other levels. Retrieval was attempted in 88 cases and successful in 70 cases (79.5%). The larger taper and apical position of the SEI negatively influenced the retrieval by 1.4 and 8.7 times, respectively.
Conclusions
Retrieval of SEI was successful in the majority of the cases. An increase in taper and apically placed SEI negatively impacted the retrieval. There was no difference in the pattern of separation nor retrievability between conventional nickel-titanium files and newer generation heat-treated nickel-titanium files.

Citations

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  • Risk Factors for Failure of Separated Instrument Removal: A Systematic Review and Meta‐Analysis
    Le Zhao, WangYu Luo, Yue Shen, WanNing Yu, Liu Yang, Xiaolei Zhang
    Australian Endodontic Journal.2026;[Epub]     CrossRef
  • Effectiveness of microscope-assisted root canal treatment in permanent posterior teeth: A retrospective cohort study
    Ya-Ching Chang, Ting-Ya Wang
    Journal of Dentistry.2025; 157: 105771.     CrossRef
  • Deep Learning-Based Detection of Separated Root Canal Instruments in Panoramic Radiographs Using a U2-Net Architecture
    Nildem İnönü, Umut Aksoy, Dilan Kırmızı, Seçil Aksoy, Nurullah Akkaya, Kaan Orhan
    Diagnostics.2025; 15(14): 1744.     CrossRef
  • MANAGEMENT OF INTRACANAL SEPARATED INSTRUMENTS: FACTORS CONTRIBUTING TO ENDODONTIC FILE SEPARATION — A NARRATIVE REVIEW
    Tareq Hajaj, Paul Freiman , Serban Talpos Niculescu , Mihai Rominu , Tiberiu Hosszu , Ioana Veja
    Romanian Journal of Oral Rehabilitation.2025; 17(2): 993.     CrossRef
  • 7,241 View
  • 342 Download
  • 3 Web of Science
  • 4 Crossref
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Effects of different curing methods on the color stability of composite resins
Massimo Pisano, Alfredo Iandolo, Dina Abdellatif, Andrea Chiacchio, Marzio Galdi, Stefano Martina
Restor Dent Endod 2024;49(4):e33.   Published online September 5, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e33
AbstractAbstract PDFPubReaderePub
Objectives

The aim of this study was to compare the effects of different polymerization strategies and the effectiveness of finishing and polishing procedures of composite resins on color stability.

Materials and Methods

The samples were divided into 4 main groups according to the polymerization strategy, and all groups except the control group received surface treatment. Each group was subsequently divided into 3 subgroups respectively: Kuraray Clearfil Majesty ES-2 Classic, Premium and Universal. Approximately 24 hours after preparation of the samples, they were immersed for 7 days in a coffee solution. A first color measurement was performed after the preparation of the samples, the second measurement was performed after 7 days in the coffee solution. All measurements were carried out using a dental spectrophotometer to assess the CIE L* a* b* color parameters.

Results

There was a statistically significant difference between ΔE values for different procedures (p = 0.003); in particular, the differences were found only between the groups that received surface treatment and the control group. In addition, a statistically significant difference was observed between the values of ΔE for different composites in the different procedure groups.

Conclusions

Spectrophotometric analysis showed that the additional photopolymerization and oxygen inhibition procedures did not yield better results in relation to color stability. In addition, finishing and polishing provided better color stability compared to not performing these procedures.

Citations

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  • Color Stability Under Challenge: Effects of Thermo-Aging and Mouthrinse Exposure on Anterior Teeth and Esthetic Composites
    Gökçe Keçeci, Zehra Güner, Süleyman Ziya Şenyurt, Kamile Erciyas
    European Journal of Therapeutics.2026;[Epub]     CrossRef
  • Abrasiveness and Bleaching Level of Toothpastes on Composite Resins: A Quantitative Analysis Using a Novel Brushing Simulator
    Simge Meseli, Elif Alkan, Bora Korkut, Ozlem Kanar, Dilek Tagtekin
    Applied Sciences.2025; 15(5): 2314.     CrossRef
  • Comparative Evaluation of Direct and Indirect Composite Restorations in Class II Tooth Preparations - An In vivo Study
    Akshun Gupta, Garima Arora, Aprajita Mehta, Satish Sane, Siddhi Nevrekar, Apurva Nagrale
    Advances in Human Biology.2025; 15(4): 550.     CrossRef
  • Micro- and Nanoplastics and the Oral Cavity: Implications for Oral and Systemic Health, Dental Practice, and the Environment—A Narrative Review
    Federica Di Spirito, Veronica Folliero, Maria Pia Di Palo, Giuseppina De Benedetto, Leonardo Aulisio, Stefano Martina, Luca Rinaldi, Gianluigi Franci
    Journal of Functional Biomaterials.2025; 16(9): 332.     CrossRef
  • 5,950 View
  • 323 Download
  • 3 Web of Science
  • 4 Crossref
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Alkasite restorative material for endodontically treated teeth: a randomized controlled pilot study
Davi Ariel Nobuo Bepu, Renata Siqueira Scatolin, Natalia Saud Junqueira Franco, Luiza Pejon Sanchez, Aline Evangelista Souza-Gabriel, Silmara Aparecida Milori Corona
Restor Dent Endod 2024;49(3):e24.   Published online June 11, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e24
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to evaluate the clinical performance of an alkasite restorative material in molars that had undergone root canal treatment.

Materials and Methods

The research was registered in Brazilian Registry of Clinical Trials. The randomized clinical trial involved 33 patients, each with at least 1 mandibular molar requiring restoration after receiving endodontic treatment. Patients were randomly assigned to receive either bulk-fill resin composite (Tetric N Ceram Bulk Fill, Ivoclar Vivadent) or the alkasite restorative material (Cention N, Ivoclar Vivadent). Upon completion of the restorations, 3 calibrated professionals utilized the United States Public Health Service criteria to assess various factors, including retention, secondary caries, marginal adaptation, restoration color, marginal pigmentation, and anatomical form. Evaluations were conducted at intervals of 7 days, 6 months, and 17 months. Additionally, the assessment encompassed the presence of radiolucent lines adjacent to the restoration, material deficiencies or excess, contact points, and caries recurrence. The data underwent analysis using the Friedman and Mann-Whitney tests (α = 0.05).

Results

After 17 months, the results revealed that the alkasite restorative material exhibited greater wear of anatomical shape compared to the bulk-fill resin composite (p = 0.0189). Furthermore, the alkasite restorative material significantly differed from the natural tooth color in most cases (p = 0.0000). However, no other criteria displayed significant differences between the materials or over time (p > 0.05).

Conclusions

The alkasite restorative material (Cention N) emerges as a viable option for restoring endodontically treated teeth, displaying clinically acceptable alterations after a 17-month evaluation period.

Trial Registration

Brazilian Registry of Clinical Trials (ReBEC) Identifier: RBR-97kx5jv

Citations

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  • The Effect of Intraorifice Barrier Materials on the Fracture Resistance of Endodontically Treated Teeth: A Systematic Review and Network Meta-Analysis
    Sevilay Karahan, Zeynep Buket Dağ, Emel Uzunoğlu Özyürek
    Journal of Endodontics.2026;[Epub]     CrossRef
  • A Systematic Review and Meta-Analysis on the Clinical Performance and Longevity of Bioactive Composite Resin Restorations
    Ahmed A. Holiel, Mounir M. Al Nakouzi, Rim Bourgi, Carlos Enrique Cuevas-Suárez, Iván Olivares Acosta, Louis Hardan, Naji Kharouf, Youssef Haikel
    Journal of Composites Science.2026; 10(1): 39.     CrossRef
  • Alkasites in restorative dentistry: a review of their performance and properties
    Alexander Bonchev, Ralitsa Bogovska-Gigova
    Journal of Dentistry.2025; 160: 105916.     CrossRef
  • Comparative Analysis of Flexural and Compressive Strengths of Bioactive Alkasite Compared to Other Ion-Releasing Restorative Materials
    Hanin E. Yeslam, Fatin A. Hasanain
    Biomimetics.2025; 10(11): 751.     CrossRef
  • 3,898 View
  • 127 Download
  • 2 Web of Science
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Review Article
Can carbamide peroxide be as effective as hydrogen peroxide for in-office tooth bleaching and cause less sensitivity? A systematic review
Patrick Wesley Marques de Boa, Kaiza de Sousa Santos, Francisca Jennifer Duarte de Oliveira, Boniek Castillo Dutra Borges
Restor Dent Endod 2024;49(2):e14.   Published online March 20, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e14
AbstractAbstract PDFPubReaderePub

This study aimed to answer the question through a systematic review: Can carbamide peroxide be as effective as hydrogen peroxide and cause less in-office bleaching sensitivity? A literature survey was performed in PubMed/MEDLINE, Embase, Scopus, ISI Web of Science, and gray literature. Primary clinical trials that compared the efficacy or the in-office bleaching sensitivity between carbamide and hydrogen peroxides were included. The risk of bias was evaluated using the RoB2. The certainty of the evidence was assessed using the GRADE approach. DPI training significantly improved the mean scores of the dental undergraduates from 7.53 in the pre-DPI-training test to 9.01 in the post-DPI-training test (p < 0.001). After 6 weeks, the mean scores decreased marginally to 8.87 in the retention test (p = 0.563). DPI training increased their confidence level from 5.68 pre-DPI training to 7.09 post-DPI training. The limited evidence suggests that the 37% carbamide peroxide may be similarly effective to the 35% hydrogen peroxide for bleaching teeth in-office and causes less bleaching sensitivity. However, more well-designed split-mouth clinical trials are necessary to strengthen the evidence.

Citations

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  • Impact of nanostructured additives in tooth bleaching agents on enhancing color change and reducing side effects: a scoping review
    Patrick Wesley Marques de Boa, Kaiza de Sousa Santos, Aleph Matthews da Silva Souza, Arnóbio Antônio da Silva-Júnior, Boniek Castillo Dutra Borges
    Clinical Oral Investigations.2025;[Epub]     CrossRef
  • Quantitative and Qualitative Assessment of Enamel Surface Roughness Following High-Concentration Peroxide Bleaching: A Comparative In Vitro Study
    Mamnoon Ghafir, Nida Mehmood, Leeza Bharati, Shreya Bhukal, Ritika Sethi, Aanchal Chaudhary, Seema Gupta
    Cureus.2025;[Epub]     CrossRef
  • Using violet light during in-office tooth bleaching to enhance the efficacy of carbamide peroxide without increasing bleaching sensitivity: a systematic review and meta-analysis
    Mariana Silva de Bessa, Kaiza de Sousa Santos, Patrick Wesley Marques de Boa, Francisca Jennifer Duarte de Oliveira, Bárbara Faria de Sá Barbosa, Boniek Castillo Dutra Borges
    Lasers in Medical Science.2025;[Epub]     CrossRef
  • Influence of Different Light-Activated Bleaching Gels on Pulp Chamber Temperature: An In Vitro Study
    Mandana Karimi, Elmira Ataee, Ladan Ranjbar Omrani, Mahdi Abbasi, Elham Ahmadi
    Avicenna Journal of Dental Research.2024; 16(4): 225.     CrossRef
  • 10,838 View
  • 148 Download
  • 1 Web of Science
  • 4 Crossref
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Research Articles
YouTube as a source of information about rubber dam: quality and content analysis
Gülsen Kiraz, Arzu Kaya Mumcu, Safa Kurnaz
Restor Dent Endod 2024;49(1):e10.   Published online February 5, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e10
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to evaluate the content, quality and demographics of YouTube videos about rubber dam as an information source for clinicians and dental students.

Materials and Methods

“Rubber dam,” “rubber dam application,” “dental isolation,” “rubber dam isolation,” and “dental dam” were determined as keywords for the detection of YouTube videos related to rubber dam. Seventy 3 videos were evaluated and a total of 34 videos met the inclusion criteria. All selected videos were evaluated according to 8 parameters. The videos were scored 1 if the videos contained information about the selected parameter, but if the videos did not contain enough information, they were scored 0. The data were statistically analyzed with the analysis of variance and post hoc Tukey test (p < 0.05).

Results

We found that 41% of the videos have poor, 47% have moderate, and 12% have good information. There is a statistically significant difference in time between poor and good information content (p < 0.05). There is a statistically significant difference between the poor and good information in the video information and quality index 1.

Conclusions

Rubber dam-related videos available on YouTube are generally moderately informed and insufficient. YouTube is currently not sufficient as a source of information for patients and clinicians at the moment. The YouTube platform should be developed and enriched with quality information on current and dental issues.

Citations

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  • Assessing the Quality of YouTube® Videos on Nitrous Oxide/Oxygen Inhalation: A Multi-Dimensional Approach for Pediatric Dentists
    Sanaa N. Al-Haj Ali, Nehal AlHarbi, Hessah H. Almutairi
    Pesquisa Brasileira em Odontopediatria e Clínica Integrada.2025;[Epub]     CrossRef
  • Assessing the reliability and educational value of YouTube videos on computer-controlled local anesthesia in dentistry
    Hulya Cerci Akcay, Erdal Cem Kargu, Nefise Seker, Tanay Chaubal
    PLOS One.2025; 20(8): e0329291.     CrossRef
  • Evaluation of Endodontic Retreatment Videos on The Youtube Platform: Quality and Content Analysis
    Birgül Özaşır, Tufan Özaşır, Derin Buğu Yüzer, Deniz İmamoğlu, Kamran Gülşahı
    European Annals of Dental Sciences.2025; 52(2): 103.     CrossRef
  • Assessing the usefulness of educational videos on endodontic irrigation for dental students: a pilot study
    Jin Wey Kock, Shahmin Kar Sze Yeap, Naveen Chhabra, Philip Yuan-Ho Chien, Shekhar Bhatia
    BMC Medical Education.2025;[Epub]     CrossRef
  • 2,750 View
  • 54 Download
  • 2 Web of Science
  • 4 Crossref
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Pomegranate extract on eroded dentin: antioxidant action, bond strength and morphology of the adhesive interface after aging
Thiago Vinícius Cortez, Nathália Mancioppi Cerqueira, Julia Adornes Gallas, Wanderley Pereira Oliveira, Silmara Aparecida Milori Corona, Aline Evangelista Souza-Gabriel
Restor Dent Endod 2024;49(1):e9.   Published online January 26, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e9
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to evaluate the effect of pomegranate solution (Punica granatum) on eroded dentin through antioxidant action, shear bond strength (SBS) and interface morphology.

Materials and Methods

The 10% pomegranate peel extract was prepared by the lyophilization method. Punicalagin polyphenol was confirmed by high-performance liquid chromatography. Antioxidant activity was evaluated by capturing the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical. For the SBS, 48 dentin fragments were divided into sound or eroded, and subdivided according to the pretreatment (n = 12): water or P. granatum. The surfaces were restored with self-etch adhesive and a bulk-fill resin (Ecosite; DMG). The SBS was done immediately (24 hours) and after thermal cycling + water storage (12 months). For scanning electron microscopy, 48 dentin fragments (24 sound and 24 eroded) received the same treatments as for SBS (n = 6), and they were analyzed after 24 hours and 12 months.

Results

The P. granatum had antioxidant action similar (p = 0.246) to the phenolic standard antioxidants. After 24 hours, eroded dentin had lower SBS than sound dentin (p < 0.001), regardless of the pretreatment. After 12 months, P. granatum maintained the SBS of sound dentin (13.46 ± 3.42 MPa) and eroded dentin (10.96 ± 1.90 MPa) statistically similar. The lowest values were found on eroded dentin treated with water (5.75 ± 1.65 MPa) (p < 0.001). P. granatum on eroded dentin caused peritubular demineralization and hybrid layer with resin tags.

Conclusions

The pomegranate extract had antioxidant action and preserved the adhesive interface of the eroded dentin.

Citations

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  • Antibacterial Effects of Ethanolic Extractions of Aloe Vera, Black Tea, Pomegranate and Orange on Streptococcus mutans: An In-vitro Study
    Bardia Vadiati Saberi, Soheil Taghavi Namin, Dina Maleki
    Nutrition And Food In Health And Disease.2025; 12(2): 29.     CrossRef
  • Protective effect of a novel antioxidant gel containing resveratrol and sodium fluoride on dentin erosion in the presence of acquired salivary pellicle: An in vitro study
    Loraine Perez Manzoli, Luan Júlio Ruiz da Silva, George Clay dos Santos Caracas, Kalinca Furtado de Oliveira, Walessa Alana Braganca Aragão, Rafael Rodrigues Lima, Milton Carlos Kuga, Cristiane de Melo Alencar
    Archives of Oral Biology.2025; 179: 106395.     CrossRef
  • Effect of pomegranate solution alone or combined with chlorhexidine against oral multispecies biofilm
    J. A. Gallas, L. L. Pelozo, S. A. M. Corona, Y. Shen, M. Haapasalo, M. D. Sousa‐Neto, A. E. Souza‐Gabriel
    International Endodontic Journal.2024; 57(12): 1819.     CrossRef
  • The effect of resveratrol application on the micro-shear bond strength of adhesive to bleached enamel
    Esra Cengiz-Yanardag, Izgen Karakaya
    Scientific Reports.2024;[Epub]     CrossRef
  • 2,360 View
  • 91 Download
  • 3 Web of Science
  • 4 Crossref
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Color discrepancy of single-shade composites at different distances from the interface measured using cell phone images
Márcia Luciana Carregosa Santana, Gabriella de Jesus Santos Livi, André Luis Faria-e-Silva
Restor Dent Endod 2024;49(1):e7.   Published online January 24, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e7
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to evaluate the impact of substrate color and interface distance on the color adjustment of 2 single-shade composites, Vittra APS Unique and Charisma Diamond One.

Materials and Methods

Dual disc-shaped specimens were created using Vittra APS Unique or Charisma Diamond One as the center composite, surrounded by shaded composites (A1 or A3). Color measurements were taken with a spectrophotometer against a gray background, recording the color coordinates in the CIELAB color space. Illumination with a light-correcting device and image acquisition using a polarizing filter-equipped cell phone were performed on specimens over the same background. Image processing software was used to measure the color coordinates in the center and periphery of the inner composite and in the outer composite. The color data were then converted to CIELAB coordinates and adjusted using data from the spectrophotometer. Color differences (ΔE00) between the center/periphery of single-shade and outer composites were calculated, along with color changes in single-shade composites caused by different outer composites. Color differences for the inner composites surrounded by A1 and A3 were also calculated. Data were analyzed using repeated-measures analysis of variance (α = 0.05).

Results

The results showed that color discrepancies were lowest near the interface and when the outer composite was whiter (A1). Additionally, Charisma Diamond One exhibited better color adjustment ability than Vittra APS Unique.

Conclusions

Color discrepancies between the investigated single-shade composites diminished towards the interface with the surrounding composite, particularly when the latter exhibited a lighter shade.

Citations

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  • Evaluation of color stability in single-shade composite resins using spectrophotometer and cross-polarized mobile photography
    Hatice Tepe, Ozge Celiksoz, Batu Can Yaman
    BMC Oral Health.2025;[Epub]     CrossRef
  • Comparative Evaluation of the Staining Resistance of Two Single-Shade Composites in Coffee and Chlorhexidine: A Spectrophotometric Analysis
    Unmesh Khanvilkar, Shrinath D Kulkarni, Siddhesh Bandekar, Ved M Talathi, Oshin Baghel, Priyanka Razdan, Seema Gupta
    Cureus.2025;[Epub]     CrossRef
  • Clinical Implications of Color Adjustment in Single-Shade Resins Post-Dental Bleaching: A Systematic Review
    Samille Biasi Miranda, Caroline de Farias Charamba Leal, Rodrigo Barros Esteves Lins, Marcos Antonio Japiassu Resende Montes
    Journal of Clinical Medicine.2025; 14(9): 3194.     CrossRef
  • Accuracy and Reliability of Smartphone Versus Mirrorless Camera Images-Assisted Digital Shade Guides: An In Vitro Study
    Soo Teng Chew, Suet Yeo Soo, Mohd Zulkifli Kassim, Khai Yin Lim, In Meei Tew
    Applied Sciences.2025; 15(14): 8070.     CrossRef
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Review Articles
Comparative evaluation of the biological response of conventional and resin modified glass ionomer cement on human cells: a systematic review
Shishir Singh, Gaurav Kulkarni, R S Mohan Kumar, Romi Jain, Ameya M Lokhande, Teena K Sitlaney, Musharraf H F Ansari, Navin S Agarwal
Restor Dent Endod 2024;49(4):e41.   Published online November 1, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e41
AbstractAbstract PDFPubReaderePub

This review aimed to evaluate and compare the biological response (biocompatibility and cytotoxicity) of resin modified glass ionomer cement (RMGIC) in contrast to conventional glass ionomer cement (GIC) on human cells. Articles reporting parallel and split-mouth clinical trials, randomized controlled trials, non-randomized controlled trials, prospective studies, and in vitro studies on human permanent teeth that assessed the biological response of GIC and RMGIC were included. The following electronic bibliographic databases were searched using the keywords: MEDLINE/PubMed, EBSCO, Cochrane Central Register of Controlled Trials, and Google Scholar. For the risk of bias MINORS tool and the modified scale of Animal Research: Reporting of In Vivo Experiments and Consolidated Standards of Reporting Trials were used. Initial screening identified 552 studies, of which 9 articles met the inclusion criteria and were included in the study. Different parameters such as odontoblastic changes, inflammatory response, tertiary dentin formation, presence of microorganisms, morphological changes, cell viability, number, and metabolism were used to evaluate the biological response of conventional GIC and RMGICs. Conventional GIC shows lower cytotoxicity compared to RMGIC in vital pulp therapy procedures. Further, in vivo studies and long-term clinical trials are needed to compare these observations for pulp therapy using the 2 test materials.

Trial Registration

PROSPERO Identifier: CRD42023426021

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  • Thermal Aging-Induced Alterations in Surface and Interface Topography of Bio-Interactive Dental Restorative Materials Assessed by 3D Non-Contact Profilometry
    Zehra Güner, Gökçe Keçeci, Sadık Olguner, Hakan Çandar, Ayşenur Güngör Borsöken, Lezize Sebnem Turkun
    Coatings.2026; 16(1): 53.     CrossRef
  • Advanced Platelet-Rich Fibrin Plus Sealed Exclusively with Glass Ionomer Cement: Setting a New Standard for Healing, Aesthetics and Predictive Modelling in Regenerative Endodontics
    Dubravka Turjanski, Dragutin Lisjak, Petra Bučević Sojčić, Jelena Valpotić, Tea Borojević Renić, Kristina Goršeta, Domagoj Glavina
    Materials.2025; 18(18): 4421.     CrossRef
  • The conventional glass ionomers – A forgotten paradigm
    Shishir Singh
    Journal of Conservative Dentistry and Endodontics.2024; 27(12): 1201.     CrossRef
  • 4,659 View
  • 159 Download
  • 1 Web of Science
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Success rate of direct pulp capping on permanent teeth using bioactive materials: a systematic review and meta-analysis of randomized clinical trials
Karem Paula Pinto, Gabriela Ribeiro da Silva, Cláudio Malizia Alves Ferreira, Luciana Moura Sassone, Emmanuel João Nogueira Leal da Silva
Restor Dent Endod 2024;49(4):e34.   Published online September 6, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e34
AbstractAbstract PDFSupplementary MaterialPubReaderePub

This systematic review and meta-analysis aimed to evaluate the success rate of direct pulp capping (DPC) on permanent teeth, comparing the use of MTA with calcium hydroxide and calcium silicate-based cements. A systematic search was carried out in 4 databases until July 2023. The selection was based on PICOS criteria and only randomized clinical trials were included. The risk of bias was assessed using RoB-2 tool, and meta-analyses were performed using RevMan 5.3 software. The overall quality of evidence was determined using the GRADE tool. Thirteen studies were included. Meta-analyses indicated significantly higher success rate for DPC using MTA compared to calcium hydroxide, while no significant difference was observed between MTA and Biodentine, showing a success rate from 80% to 100% even after 3 years of follow-up. Five studies were classified as having high risk of bias and the GRADE assessment revealed low certainty of evidence. DPC is highly effective for permanent teeth when using MTA or Biodentine. There is a need for future well-designed randomized clinical trials to evaluate the efficacy of DPC using newer bioceramic materials.

Citations

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  • Physicochemical effects of nano type-B bone substitute on pulp protective cement formulations
    Njwan Fadhel SHEHAB
    Dental Materials Journal.2026;[Epub]     CrossRef
  • Photobiomodulation-assisted pulp capping using nano-hydroxyapatite and mineral trioxide aggregate: Report of two cases
    Priya Pal, Rhythm Bains, Promila Verma, Vivek Kumar Bains
    Journal of Healthcare Research and Education.2026; 2: 2.     CrossRef
  • Indian Association of Conservative Dentistry and Endodontics consensus statement on deep caries management
    Deepak Kumar Sharma, R. S. Mohan Kumar, Shishir Singh, Suparna Ganguly Saha, Meenal Nithin Gulve, Dipali Y. Shah, Sathish Abraham, Shruthi Nagaraja, Raksha Bhat
    Journal of Conservative Dentistry and Endodontics.2025; 28(8): 714.     CrossRef
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A global overview of enamel microabrasion for white spot lesions: a bibliometric review
Aurélio de Oliveira Rocha, Karina Cardoso, Michely Cristina Goebel, Pablo Silveira Santos, Lucas Menezes dos Anjos, Juliana Silva Ribeiro, Carla Miranda Santana, Mariane Cardoso
Restor Dent Endod 2024;49(3):e29.   Published online July 11, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e29
AbstractAbstract PDFSupplementary MaterialPubReaderePub

This study aimed to identify and analyze articles on enamel microabrasion for the treatment of white spot lesions. A search was conducted on the Web of Science. The following parameters were recorded and analyzed: number of citations, year, journal, impact factor, study design, theme, country and continent, institution, authors, and keywords. Data was analyzed using VOSviewer software. The initial search resulted in 1,126 documents, of which 94 articles were included. The highest number of citations an article received was 65. The oldest article was published in 1975, and the most recent in 2023. The most frequent study design was case report (n = 42). Regarding the themes, it was observed that the main objective of the studies was to evaluate the clinical performance of enamel microabrasion (n = 75), primarily using Opalustre (Ultradent Products Inc., South Jordan, UT, USA) (n = 37) for treating white stains caused by dental fluorosis (n = 41). Most articles originated from Latin America (n = 31), mainly from Brazil (n = 26). The most frequent author was Sundfeld RH (n = 10). This study reveals research trends in the field of enamel microabrasion. The publications were mainly case reports/series using Opalustre for the removal of fluorosis stains.

Citations

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  • Impact of microabrasion and a remineralizing agent before in-office bleaching on hydrogen peroxide permeability, color alteration, and enamel morphology
    Michael Willian Favoreto, Leticia Condolo, Camila Mendes Camargo, Rafael Rodrigues Lima, Karol Carrillo, Abraham Lincoln Calixto, Alessandra Reis, Alessandro D. Loguercio
    Journal of Dentistry.2025; 156: 105655.     CrossRef
  • Micro- and Macroabrasion in the Esthetic Zone: A Narrative Review and Case Study
    Jose Villalobos-Tinoco, Carlos A. Jurado, Silvia Rojas-Rueda, Nechama S. Citrin, Staley Colvert, Jose Luis Gutierrez-Quintero, Salwa Mekled
    Dentistry Journal.2025; 13(5): 183.     CrossRef
  • Evaluation of demineralization changes in molar tissues in vitro using electrical impedance spectroscopy
    V. D. Goncharov, M. A. Gorelikova, K. V. Shadrina, L. Yu. Orekhova, V. D. Berezkin, E. S. Nemovskaya, A. A. Petrov
    Parodontologiya.2025; 30(3): 254.     CrossRef
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Research Articles
Procedural errors detected by cone beam tomography in cases with indication for retreatment: in vivo cross-sectional study
Henry Paul Valverde Haro, Carmen Rosa Garcia Rupaya, Flávio R. F. Alves
Restor Dent Endod 2024;49(3):e26.   Published online June 24, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e26
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to investigate the frequency and type of endodontic procedural errors in cases indicated for retreatment through cone-beam computed tomography (CBCT) analysis.

Materials and Methods

The sample consisted of 96 CBCT scans, encompassing 122 permanent teeth with fully formed roots. Errors included perforation, instrument fracture, canal transportation, missed canals, and inadequate apical limit of filling. Additionally, potential risk factors were analyzed and subjected to statistical modeling.

Results

The most frequent procedural error observed was the inadequate apical limit of filling, followed by canal transportation, perforation, missed canal, and instrument fracture. Statistically significant associations were identified between various procedural errors and specific factors. These include canal transportation and root canal wall, with the buccal wall being the most commonly affected; missed canal and tooth type, particularly the palatine and second mesiobuccal canal canals; inadequate apical limit of filling and root curvature, showing a higher deviation to the mesial direction in severely curved canals; inadequate apical limit of filling and the presence of calcifications, with underfilling being the most frequent; canal transportation and periapical lesion, notably with deviation to the buccal direction; and the direction of perforation and periapical lesion, most frequently occurring to buccal direction.

Conclusions

CBCT emerges as a valuable tool in identifying procedural errors and associated factors, crucial for their prevention and management.

Citations

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  • Repair of furcal perforations using different calcium silicate cements: An in vitro study
    Ariana Esperanza Apolo Aguilar, Maria Soledad Peñaherrera Manosalvas, Henry Paul Valverde Haro
    Journal of Conservative Dentistry and Endodontics.2025; 28(10): 1007.     CrossRef
  • Impact of Downward Load and Rotational Kinematics on Root Canal Instrumentation with a Heat-Treated Nickel–Titanium Rotary Instrument
    Risako Yamamoto, Keiichiro Maki, Shunsuke Kimura, Satoshi Omori, Keiko Hirano, Arata Ebihara, Yoshio Yahata, Takashi Okiji
    Materials.2025; 19(1): 108.     CrossRef
  • ANALYSIS OF THE QUALITY OF ROOT CANAL OBTURATION AND PREVALENCE OF APICAL PERIODONTITIS IN ENDODONTICALLY TREATED TEETH
    Cristina Coralia Nistor, Ioana Suciu , Elena Zabrac , Ruxandra Ioana Bartok , Bogdan Dimitriu , Andreea Baluta
    Romanian Journal of Oral Rehabilitation.2024; 16(4): 311.     CrossRef
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  • 106 Download
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Can discolored dental composites be bleached in depth?
Luca Giachetti, Daniele Scaminaci Russo, Michele Nieri, Francesca Cinelli
Restor Dent Endod 2024;49(3):e23.   Published online June 11, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e23
AbstractAbstract PDFPubReaderePub
Objectives

Previous in vitro studies determined the whitening effects of bleaching products on stained resin composite surfaces. This in vitro study aimed to verify the effectiveness of a whitening system on composite resin previously subjected to pigmentation, specifically examining the depth of whitening effectiveness within the material structure.

Materials and Methods

A commercially available nano-filled composite resin was used. Specimens were stained using a coffee-based solution and a 10% carbamide peroxide-based gel was employed as the whitening agent. The pigment’s penetration and the effect of the bleaching gel were evaluated by measuring color (CieLab values) from the outer edge to the inner part of the specimens. Color measurements were taken at 14 points, starting from 0.1 mm from the external perimeter up to 3.0 mm.

Results

Analysis of variance tests showed a statistically significant difference between the Control Group (CG), Pigmentation Group, and Whitening Group. The whitening agent was effective up to 1.5 mm in depth, with Whiteness index (W) values not statistically different from those of CG up to 0.5 mm in depth.

Conclusions

Whitening agents on nano-filled resin composite previously pigmented appear effective in restoring the W to values similar to the original, particularly in the superficial layers of the sample.

Citations

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  • Color Stability of Tooth-Colored Restorative Materials After Exposure to Arabic Coffee and Black Tea: A Systematic Review
    Abdulrhman Y Alenezi, Abdulwahab M AlEyada, Yousef H Aldhafiri, Mohammed S Alsubaie, Mohammed S Alshahrani, Mahesh Shenoy
    Cureus.2025;[Epub]     CrossRef
  • Comparative evaluation to composite resin bleaching using ozone-enhanced low-concentration hydrogen peroxide
    Mahmoud K. AL-Omiri, Dania Sa’ed Hussam Abuherra, Khaled M. AL-Omiri, Ali Y. Alsaeed, Mohammad Alamri, Ali M. Alqahtani, Saleh Ali Alqahtani, Ghadeer Saleh Alwadai, Naif Abogazalah, Edward Lynch
    Scientific Reports.2025;[Epub]     CrossRef
  • The effects of mechanical and chemical degradation on the surface roughness, gloss, and color stability of bulk-fill resin composites
    Merve Nezir, Hanife Altınışık, Esra Özyurt, Naz Bayar, Mediha Büyükgöze Dindar
    BMC Oral Health.2025;[Epub]     CrossRef
  • 3,384 View
  • 133 Download
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  • 3 Crossref
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Pulp stones: any relevance with the levels of serum calcium, parathyroid hormone, vitamin D and uric acid
Ceyda Gürhan, Ercan Saruhan
Restor Dent Endod 2024;49(2):e17.   Published online March 26, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e17
AbstractAbstract PDFPubReaderePub
Objectives

This study evaluated the effect of serum calcium, parathyroid hormone (PTH), vitamin D, and uric acid levels on pulp stone formation.

Materials and Methods

Patients who were admitted to the Muğla Sıtkı Koçman University, Faculty of Dentistry, Department of Oral and Maxillofacial Radiology for dental complaints were registered. Among these patients, individuals who had routine biochemical tests at the same period in the Outpatient Clinics of Muğla Sıtkı Koçman University Training and Research Hospital were included in the study. The patients with at least 1 pulp stone on panoramic radiographs recorded as the “pulp stone group” while patients without any pulp stones were the “control group”. Demographic data and serum levels of calcium, PTH, vitamin D, and uric acid were retrospectively evaluated in both groups. Student t-test or Mann-Whitney U test was used to evaluate the differences between the groups.

Results

Among 151 patients, dental pulp stone was detected in 53.6% of patients, and 82.7% of these patients were female. Female sex and pulp stone formation were significantly associated (p = 0.001). The mean age of the pulp stone group was 43.9, while it was 39.9 in the control group, without any significant correlation between age and pulp stone (p > 0.05). Similarly, there were no significant differences in serum levels of PTH, vitamin D, uric acid and calcium between groups (p > 0.05).

Conclusions

According to the present study, the effect of dental factors rather than systemic factors should be considered primarily in pulp stone formation.

Citations

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  • A novel deep learning-based pipeline architecture for pulp stone detection on panoramic radiographs
    Ceyda Gürhan, Hasan Yiğit, Selim Yılmaz, Cihat Çetinkaya
    Oral Radiology.2025; 41(2): 285.     CrossRef
  • Vitamin D deficiency and oral health: a systematic review of literature
    Saida Ziada, Aws Wishahe, Najet Mabrouk, Souad Sahtout
    BMC Oral Health.2025;[Epub]     CrossRef
  • Association between pulp stones and systemic diseases: a retrospective study using digital panoramic radiographs in a Turkish population
    Buket Beytaş Alğan, Mustafa Murat Koçak, Sibel Koçak, Baran Can Sağlam
    BMC Oral Health.2025;[Epub]     CrossRef
  • 3,369 View
  • 98 Download
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Case Report
Garre’s osteomyelitis of the mandible managed by nonsurgical re-endodontic treatment
Heegyun Kim, Jiyoung Kwon, Hyun-Jung Kim, Soram Oh, Duck-Su Kim, Ji-Hyun Jang
Restor Dent Endod 2024;49(2):e13.   Published online March 18, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e13
AbstractAbstract PDFPubReaderePub

Chronic osteomyelitis with proliferative periostitis, known as Garre’s osteomyelitis, is a type of osteomyelitis characterized by a distinctive gross thickening of the periosteum of bones. Peripheral reactive bone formation can be caused by mild irritation or infection. Garre’s osteomyelitis is usually diagnosed in children and young adults, and the mandible is more affected than the maxilla. The following is a case report of a 12-year-old female patient with Garre’s osteomyelitis of the mandible due to an infection of a root canal-treated tooth. Without surgical intervention, the patient’s symptoms were relieved through nonsurgical root canal re-treatment with long-term calcium hydroxide placement. A cone-beam computed tomography image obtained 6 months after treatment completion displayed complete healing of the periapical lesion and resolution of the peripheral reactive buccal bone. Due to the clinical features of Garre's osteomyelitis, which is characterized by thickening of the periosteum, it can be mistaken for other diseases such as fibrous dysplasia. It is important to correctly diagnose Garre's osteomyelitis based on its distinctive clinical features to avoid unnecessary surgical intervention, and it can lead to minimally invasive treatment options.

Citations

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  • Focal osteomyelitis with proliferative periostitis
    Zarah Yakoob
    South African Dental Journal.2025; 79(09): 508.     CrossRef
  • Garré’s osteomyelitis of the mandible in an adolescent: a case report
    Wiem Feki, Imen Haddar, Marwa Bahloul, Zeineb Mnif, Thouraya Kammoun, Ines Maaloul
    Journal of Medical Case Reports.2025;[Epub]     CrossRef
  • Garré’s Chronic Sclerosing Osteomyelitis: An Overview of Clinical and Radiologic Features
    Mohamed Fadil, Ayman Farouki, Rachida Saouab, Hassan En-nouali, Jamal El Fenni, Zakariya Toufga
    Oxford Medical Case Reports.2025;[Epub]     CrossRef
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  • 183 Download
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Research Articles
Impact of different agitation methods on smear layer cleaning of mesial canals with accentuated curvature
Abel Teves Cordova, Murilo Priori Alcalde, Michel Espinosa Klymus, Leonardo Rigoldi Bonjardim, Rodrigo Ricci Vivan, Marco Antonio Hungaro Duarte
Restor Dent Endod 2024;49(2):e12.   Published online March 4, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e12
AbstractAbstract PDFPubReaderePub
Objectives

This study evaluated the impact of different methods of irrigant agitation on smear layer removal in the apical third of curved mesial canals of 3 dimensionally (D) printed mandibular molars.

Materials and Methods

Sixty 3D-printed mandibular second molars were used, presenting a 70° curvature and a Vertucci type II configuration in the mesial root. A round cavity was cut 2 mm from the apex using a trephine of 2 mm in diameter, 60 bovine dentin disks were made, and a smear layer was formed. The dentin disks had the adaptation checked in the apical third of the teeth with wax. The dentin disks were evaluated in environmental scanning electron microscope before and after the following irrigant agitation methods: G1(PIK Ultrasonic Tip), G2 (Passive Ultrasonic Irrigation with Irrisonic– PUI), G3 (Easy Clean), G4 (HBW Ultrasonic Tip), G5 (Ultramint X Ultrasonic tip), and G6 (conventional irrigation-CI) (n = 10). All groups were irrigated with 2.5% sodium hypochlorite and 17% ethylenediaminetetraacetic acid.

Results

All dentin disks were 100% covered by the smear layer before treatment, and all groups significantly reduced the percentage of the smear layer after treatment. After the irrigation protocols, the Ultra-X group showed the lowest coverage percentage, statistically differing from the conventional, PIK, and HBW groups (p < 0.05). There was no significant difference among Ultramint X, PUI-Irrisonic, and Easy Clean (p > 0.05). None of the agitation methods could remove the smear layer altogether.

Conclusions

Ultramint X resulted in the most significant number of completely clean specimens.

Citations

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  • A new cleaning protocol in minimally invasive endodontic surgery: RUA (“retro irrigant activation”)
    Dina Abdellatif, Davide Mancino, Massimo Pisano, Sara De Fontaine, Alfredo Iandolo
    Journal of Conservative Dentistry and Endodontics.2025; 28(3): 297.     CrossRef
  • Impact of the use of high-power 810-nm diode laser as monotherapy on the clinical and tomographic success of the treatment of teeth with periapical lesions: an observational clinical study
    Fabricio Hinojosa Pedraza, Abel Victor Isidro Teves-Cordova, Murilo Priori Alcalde, Marco Antonio Hungaro Duarte
    Restorative Dentistry & Endodontics.2025; 50(2): e15.     CrossRef
  • Smear layer removal comparing conventional irrigation, passive ultrasonic irrigation, EndoActivator System, and a new sonic device (Perfect Clean System) by scanning electron microscopy: An ex vivo study
    Bruna Fernanda Alionço Gonçalves, Divya Reddy, Ricardo Machado, Paulo César Soares Júunior, Sérgio Aparecido Ignácio, Douglas Augusto Fernandes Couto, Karine Santos Frasquetti, Vânia Portela Ditzel Westphalen, Everdan Carneiro, Ulisses Xavier da Silva Net
    PLOS ONE.2024; 19(12): e0314940.     CrossRef
  • 2,283 View
  • 126 Download
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Prevalence of salivary microbial load and lactic acid presence in diabetic and non-diabetic individuals with different dental caries stages
Monika Mohanty, Shashirekha Govind, Shakti Rath
Restor Dent Endod 2024;49(1):e4.   Published online January 12, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e4
AbstractAbstract PDFPubReaderePub
Objectives

This study aims to correlate caries-causing microorganism load, lactic acid estimation, and blood groups to high caries risk in diabetic and non-diabetic individuals and low caries risk in healthy individuals.

Materials and Methods

This study includes 30 participants divided into 3 groups: Group A, High-risk caries diabetic individuals; Group B, High-risk caries non-diabetic individuals; and Group C, Low-risk caries individuals. The medical condition, oral hygiene, and caries risk assessment (American Dental Association classification and International Caries Detection and Assessment System scoring) were documented. Each individual’s 3 mL of saliva was analyzed for microbial load and lactic acid as follows: Part I: 2 mL for microbial quantity estimation using nutrient agar and blood agar medium, biochemical investigation, and carbohydrate fermentation tests; Part II: 0.5 mL for lactic acid estimation using spectrophotometric analysis. Among the selected individuals, blood group correlation was assessed. The χ2 test, Kruskal-Wallis test, and post hoc analysis were done using Dunn’s test (p < 0.05).

Results

Group A had the highest microbial load and lactic acid concentration, followed by Groups B and C. The predominant bacteria were Lactobacilli (63.00 ± 15.49) and Streptococcus mutans (76.00 ± 13.90) in saliva. Blood Group B is prevalent in diabetic and non-diabetic high-risk caries patients but statistically insignificant.

Conclusions

Diabetic individuals are more susceptible to dental caries due to high microbial loads and increased lactic acid production. These factors also lower the executing tendency of neutrophils, which accelerates microbial accumulation and increases the risk of caries in diabetic individuals.

Citations

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  • Oral Health Disparities in Type 2 Diabetes: Examining the Elevated Risk for Dental Caries—A Comparative Study
    José Frias-Bulhosa, Maria Conceição Manso, Carla Lopes Mota, Paulo Melo
    Dentistry Journal.2025; 13(6): 258.     CrossRef
  • Exploring the photosensitizing potential of Nanoliposome Loaded Improved Toluidine Blue O (NLITBO) Against Streptococcus mutans: An in-vitro feasibility study
    Swagatika Panda, Lipsa Rout, Neeta Mohanty, Anurag Satpathy, Bhabani Sankar Satapathy, Shakti Rath, Divya Gopinath, Geelsu Hwang
    PLOS ONE.2024; 19(10): e0312521.     CrossRef
  • Altered salivary microbiota associated with high-sugar beverage consumption
    Xiaozhou Fan, Kelsey R. Monson, Brandilyn A. Peters, Jennifer M. Whittington, Caroline Y. Um, Paul E. Oberstein, Marjorie L. McCullough, Neal D. Freedman, Wen-Yi Huang, Jiyoung Ahn, Richard B. Hayes
    Scientific Reports.2024;[Epub]     CrossRef
  • 2,923 View
  • 79 Download
  • 3 Web of Science
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Success rates comparison of endodontic microsurgery and single implants with comprehensive and explicit criteria: a systematic review and meta-analysis
Min Jung Ko, Ju Hyun Park, Na Rae Lee, Joon-Ho Yoon, Young-Taek Kim, Sin-Yeon Cho
Restor Dent Endod 2025;50(1):e8.   Published online February 19, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e8
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Objectives
While the success criteria of endodontic microsurgery (EMS) have been consistently defined and widely accepted, the success criteria of dental implants are outdated and focus only on the implant fixture and surrounding bone. This study aimed to evaluate the outcomes of EMS and single implants (SIs) with explicit criteria.
Methods
We searched for articles published from January 2010 to February 2022 and discussed them and consulted with a clinical advisory committee composed of four dental specialists and one epidemiologist during article selection and data extraction.
Results
Twenty-two EMS studies and six SI studies were included in the meta-analysis. Teeth treated using EMS had a pooled success rate of 89% (90% at <5-year follow-up and 80% at ≥5-year follow-up) and the pooled success rate of SI was 78%.
Conclusions
The success rates of the two procedures with similar follow-up periods were comparable. Subgroup analysis found no other variable that significantly influenced study heterogeneity. Considering the treatment sequence and the similar success rates, it would be advantageous to consider EMS, rather than implants, first in a situation where both procedures are applicable.

Citations

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  • Surgical Management of a Separated Instrument and Radicular Cyst: A Nine-Month Cone Beam Computed Tomography (CBCT) Follow-up
    Dipti Chauhan, Hemant Yadav, Anshu Minocha, Vishal Sharma
    Cureus.2025;[Epub]     CrossRef
  • Cost-effectiveness of Endodontic Retreatment vs Implants: A 5-year Retrospective Analysis in India
    Pramod Kumar, Himanshu Sharma
    Journal of Clinical Insights and Research in Dentistry.2025; 1(3): 121.     CrossRef
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  • 148 Download
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Case Report
An unusual case of dens invaginatus on a mandibular second molar: a case report
Davide Mancino, Dina Abdellatif, Alfredo Iandolo, Fabien Bornert, Youssef Haïkel
Restor Dent Endod 2025;50(1):e2.   Published online January 8, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e2
AbstractAbstract PDFPubReaderePub
The present case report describes the endodontic treatment of a type III B dens invaginatus (DI) in a three-rooted mandibular second molar since the invagination invades the root and extends apically. Clinical and cone-beam computed tomography examination of the mandibular second molar showed a broadened coronal morphology, DI, a third root, periapical radiolucency, and compression of a distal root canal by the invagination, which developed an atypical semilunar shape. The tooth was diagnosed with pulpal necrosis, symptomatic apical, and peri-invagination periodontitis. Consequently, three-dimensional virtual reconstruction was conducted to improve anatomical interpretation and case planning and accelerate the intraoperative phase by reducing operator stress and minimizing intraoperative variables. The present case report aims to raise awareness of the existence of DI on the mandibular second molar.

Citations

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  • Dens Invaginatus—Mandibular Second Molar—Case Report
    Krystyna Pietrzycka, Natalia Lutomska, Cornelis H. Pameijer, Monika Lukomska-Szymanska
    Dentistry Journal.2026; 14(1): 27.     CrossRef
  • Type IIIb dens invaginatus in a maxillary second molar and its microscopic anatomical features: a case report
    Mingming Li, Zhiwu Wu, Shaoying Duan, Yuling Zuo
    BMC Oral Health.2025;[Epub]     CrossRef
  • 2,964 View
  • 216 Download
  • 2 Crossref
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Research Articles
Effect of quality of radiographs taken during root canal treatment on technical quality of root canal fillings and endodontic outcome
Jia Min Ng, Yan Yee Lee, Prashanti Chippagiri, Elaheh Ahanin, Abhishek Parolia
Restor Dent Endod 2025;50(1):e3.   Published online January 7, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e3
AbstractAbstract PDFPubReaderePub
Objectives
This study evaluated the number and quality of working length (WL) and master cone (MC) radiographs taken during root canal treatment by dental undergraduates, and their associations with the technical quality of root canal fillings (TQRCF) and endodontic outcomes (EO).
Methods
A retrospective evaluation of radiographs from 303 root canal-treated teeth in 231 patients was conducted, with 72 patients attending recall visits to assess EO. The chi-square and one-way analysis of variance tests were performed.
Results
A total of 505 WL and 557 MC radiographs were reviewed, with 72.9% and 75% deemed satisfactory, respectively. Satisfactory TQRCF was achieved in 60.4% of cases. Significant associations were found between the extension of the file in WL and gutta-percha in MC radiographs and TQRCF (p = 0.000). Misinterpretation of these radiographs resulted in poor TQRCF. Furthermore, 64.2% of teeth had satisfactory EO. A significant relationship was noted between the quality of MC radiographs and both TQRCF (p = 0.043) and EO (p = 0.003).
Conclusions
Unsatisfactory MC radiographs were linked to poor TQRCF and unfavorable EO. Regular radiographic training is recommended to enhance EO.

Citations

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  • Assessment of radiographic errors and repetition rates in undergraduate endodontic education: a retrospective clinical study
    Marwa Ameen, Abdul Rahman Saleh, Dunia Alhadi, Manal Almaslamani
    The Saudi Dental Journal.2025;[Epub]     CrossRef
  • Application of Periapical Radiography in Root Canal Treatment: A Literature Review
    Jennifer Lois Violita Malau, Keizha Allysia Nabila, Widiani Harrista, Regina Amara Ginting, Tassa Kusuma Arya Putri, Jatu Rachel Keshena
    Acta Odontologica Indonesia.2025; 1(2): 49.     CrossRef
  • 11,133 View
  • 249 Download
  • 1 Web of Science
  • 2 Crossref
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Effect of different storage media on elemental analysis and microhardness of cervical cavity margins restored with a bioactive material
Hoda Saleh Ismail, Brian Ray Morrow, Ashraf Ibrahim Ali, Rabab Elsayed Elaraby Mehesen, Salah Hasab Mahmoud, Franklin Garcia-Godoy
Restor Dent Endod 2024;49(1):e6.   Published online January 17, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e6
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to investigate the elemental analysis and microhardness of a bioactive material (Activa) and marginal tooth structure after storage in different media.

Materials and Methods

Fifteen teeth received cervical restorations with occlusal enamel and gingival dentin margins using the tested material bonded with a universal adhesive, 5 of them on the 4 axial surfaces and the other 10 on only the 2 proximal surfaces. The first 5 teeth were sectioned into 4 restorations each, then stored in 4 different media; deionized water, Dulbecco's phosphate buffered saline (DPBS), Tris buffer, and saliva. The storage period for deionized water was 24 hours while it was 3 months for the other media. Each part was analyzed by scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) analysis for different substrates/distances and the wt% of calcium, phosphorus, silica, and fluoride were calculated. The other 10 teeth were sectioned across the restoration, stored in either Tris buffer or saliva for 24 hours or 3 months, and were evaluated for microhardness of different substrates/areas. Data were analyzed using analysis of variance and Tukey’s post hoc test.

Results

Enamel and dentin interfaces in the DPBS group exhibited a significant increase in calcium and phosphorus wt%. Both silica and fluoride significantly increased in tooth structure up to a distance of 75 μm in the 3-month-media groups than the immediate group. Storage media did not affect the microhardness values.

Conclusions

SEM-EDS analysis suggests an ion movement between Activa and tooth structure through a universal adhesive while stored in DPBS.

Citations

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  • Elemental and micromorphological analysis of ion releasing restoration/carious dentin interface
    Alaa Esmat Abdelsalam, Hoda Saleh Ismail, Hamdi Hosni Hamama
    Scientific Reports.2025;[Epub]     CrossRef
  • Influence of curing mode and aging on the bonding performance of universal adhesives in coronal and root dentin
    Hoda Saleh Ismail, Ashraf Ibrahim Ali, Mohamed Elshirbeny Elawsya
    BMC Oral Health.2024;[Epub]     CrossRef
  • 1,974 View
  • 100 Download
  • 2 Web of Science
  • 2 Crossref
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Marginal adaptation of three root-end filling materials in cavities prepared with laser and ultrasonic tips: an in vitro comparative study
Busra Zengin, Seda Aydemir, Nicholas Paul Chandler
Restor Dent Endod 2025;50(4):e32.   Published online September 9, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e32
AbstractAbstract PDFPubReaderePub
Objectives
This study evaluated the marginal adaptation of ProRoot MTA (Dentsply Tulsa Dental), Biodentine (Septodont), and TotalFill BC RRM (FKG) placed in root-end cavities prepared with ultrasonic or Er,Cr:YSGG laser tips, using scanning electron microscopy.
Methods
The canals of 90 extracted maxillary central incisors were prepared and obturated and their roots resected. Six groups of 15 specimens were allocated as follows: ultrasonic + ProRoot MTA, ultrasonic + Biodentine, ultrasonic + TotalFill, laser + ProRoot MTA, laser + Biodentine, and laser + TotalFill. Roots were sectioned longitudinally to expose the filling material. Apical and coronal micrographs were taken, and the greatest distance between dentin and filling material was measured. The total gap area was also calculated using further micrographs.
Results
Cavities prepared with the ultrasonic tips and filled with Biodentine showed significantly greater gap dimensions compared with TotalFill (p < 0.001) and ProRoot MTA (p = 0.007) in the apical region. The ultrasonic group showed significantly higher void values compared to the laser group for ProRoot MTA (p = 0.026), when comparing the total values of void. The Biodentine group was significantly higher than the TotalFill group in root-end cavities prepared with ultrasonic tips (p < 0.001). The Biodentine group was significantly higher than the ProRoot MTA group in root-end cavities prepared with the laser tip (p = 0.002).
Conclusions
Under the conditions of this study, it was determined that the root-end cavity preparation technique had an effect on the amount of gaps formed between the dentin and the three filling materials.

Citations

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  • Marginal Adaptability of Harvard MTA and Biodentine Used as Root-End Filling Material: A Comparative SEM Study
    Yaneta Kouzmanova, Ivanka Dimitrova
    Materials.2025; 18(19): 4598.     CrossRef
  • 1,882 View
  • 181 Download
  • 1 Web of Science
  • 1 Crossref
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Comparison of YouTube, TikTok, and Instagram as digital sources for obtaining information about pulp therapy in primary and permanent teeth
Hüseyin Gürkan Güneç, Emine Kaya, Dila Nur Okumuş, Merve Gül Erence
Restor Dent Endod 2025;50(3):e26.   Published online July 24, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e26
AbstractAbstract PDFPubReaderePub
Objectives
This study aimed to compare the content, educational quality, and dependability of videos on Instagram, TikTok, and YouTube about pulp therapy (PT) in pediatric dentistry and endodontics.
Methods
Three popular video sites, Instagram (Meta Platforms, Inc.,), TikTok (ByteDance Ltd.), and YouTube (Google LLC), were searched for PT content to analyze for compliance with the American Association of Endodontists and American Academy of Pediatric Dentistry guidelines for clinical endodontists and pediatric dentists. The searched hashtags were #pulpaltherapy, #pulpaltreatment, #pulptherapy, and #pulptreatment. The classification of 158 English-language videos was based on several variables: communication quality, duration, likes and dislikes, views, source, treatment, and genre. The videos were evaluated using a usefulness score and the Global Quality Scale (GQS), Video Information and Quality Index (VIQI), Journal of the American Medical Association (JAMA) score, and modified DISCERN score to rate their quality and reliability. The majority of the videos were published by healthcare professionals, dental clinics, and universities.
Results
Significant relationships existed between video length, source of upload, usefulness score, tooth type, pulp status, and VIQI, JAMA, GQS, and DISCERN scores for all three platforms (p<0 .05). A statistically significant relationship existed of YouTube, TikTok, and Instagram with the number of views, number of months since upload, view rates, comments and likes (p< 0.05).
Conclusions
TikTok and Instagram reel videos provided high- to moderate-quality information about PT, especially in children, but YouTube may provide more reliable information than other social media tools.

Citations

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  • New Technologies and Materials in Oral Health and Dental Care of Pediatric Dentistry
    Giuseppe Minervini
    Children.2025; 12(10): 1310.     CrossRef
  • 1,960 View
  • 59 Download
  • 1 Web of Science
  • 1 Crossref
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Cleaning protocols to enhance bond strength of fiberglass posts on root canals filled with bioceramic sealer: an in vitro comparative study
Thiago Bessa Marconato Antunes, Juliana Delatorre Bronzato, Joice Graciani, Ana Cristina Padilha Janini, Rocharles Cavalcante Fontenele, Francisco Haiter Neto, Brenda Paula Figueiredo de Almeida Gomes, Marina Angélica Marciano da Silva
Restor Dent Endod 2025;50(2):e20.   Published online May 21, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e20
AbstractAbstract PDFPubReaderePub
Objectives
This study aimed to evaluate whether the agitation protocols using ultrasonic inserts or the XP-endo Finisher R file improved the removal of two different endodontic sealer remnants and the bond strength of fiberglass posts to dentin.
Methods
Seventy-two human teeth were selected. The canals were prepared with Reciproc 50 and Easy ProDesign 30/.10 and root filled according to the endodontic sealer groups: AH Plus or EndoSequence BC Sealer HiFlow. The samples were kept at 37ºC and 95% humidity for 28 days. During the post space preparation, the obturation was removed with Largo burs, and the groups were divided according to the irrigant agitation protocols (n = 12): no agitation, agitation with R1-Clearsonic associated with E1-Irrisonic ultrasonic inserts, or agitation with XP-endo Finisher R file. The fiberglass posts were cemented with RelyX ARC. The roots were sectioned into slices and submitted to the push-out test. Micro-computed tomography analysis was used to check the effectiveness of irrigating solution agitation in the elimination of remnants.
Results
The cleaning protocols with agitation were more effective in increasing the bond strength of posts to dentin for both sealer groups compared to non-agitation (p < 0.05). There was no difference between the same cleaning protocols for the different sealers. Among the different thirds, there was no statistical difference for the same sealer in the different cleaning protocols (p > 0.05).
Conclusions
Both agitation protocols effectively clean root-filled canals sealed with resin-based and calcium silicate-based sealers during fiberglass post space preparation. These protocols result in improved bond strength compared to non-agitation methods.

Citations

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  • Cleaning efficacy and bond interaction of glycine-based air polishing and glass microparticles abrasion on dentin impregnated with premixed bioceramic sealer
    Ândresson Aurélio Fernandes Martins, Maria Carolina Sidonio Alves, Bruno Martins Maciel, José Rodolfo Estruc Verbicário, João Felipe Besegato, Wilfredo Gustavo Escalante-Otárola, Milton Carlos Kuga
    International Journal of Adhesion and Adhesives.2026; 147: 104277.     CrossRef
  • 3,700 View
  • 190 Download
  • 1 Crossref
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Dentin thickness of C-shaped root canal walls in mandibular premolars based on cone-beam computed tomography: a retrospective cross-sectional study
Elif Aslan, Ali Canberk Ulusoy, Bilge Hakan Sen, B. Guniz Baksi, Erinc Onem, Ali Mert
Restor Dent Endod 2025;50(2):e18.   Published online May 15, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e18
AbstractAbstract PDFPubReaderePub
Objectives
This study aimed to measure the dentin thickness of C-shaped canals in mandibular first and second premolars at coronal, middle, and apical root levels using cone-beam computed tomography (CBCT).
Methods
Dentin thicknesses of buccal, lingual, mesial, and distal root walls of 41 C-shaped premolars were measured at three different root levels on axial CBCT slices. The measurements were made at the midpoint of each third, along with 1 mm below and above the midpoint. C-shape configurations of the premolar root canals were also recorded. Analysis of variance, Kruskal-Wallis, and the independent samples t-tests were used for the comparisons (p = 0.05).
Results
The thickest walls for both premolars were buccal and lingual walls at all three root levels (p < 0.05). The thinnest walls for the first premolar teeth were mesial and distal walls of the lingual canal, while it was the mesial end of the buccal and lingual canals for the second premolars (p < 0.05). Dentin wall thicknesses at the mesial end of buccal and lingual canals of C1-shaped first premolars were thinner than C2-shaped first premolars at the apical level (p < 0.05).
Conclusions
Danger zones for C-shaped mandibular first and second premolars are predominantly mesial walls facing the radicular groove and distal wall of the lingual canal. CBCT imaging during endodontic treatment is recommended to avoid complications.

Citations

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  • Anatomical complexity in mandibular second molars: prevalence of C-shaped canals, radicular grooves, taurodontism, and radices molarum in Saudi population
    Ahmed A. Madfa, Abdullah F. Alshammari, Eyad Almagadawyi, Ebtsam A. Aledaili, Afaf Al-Haddad
    Scientific Reports.2025;[Epub]     CrossRef
  • 3,248 View
  • 130 Download
  • 1 Web of Science
  • 1 Crossref
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Impact of the use of high-power 810-nm diode laser as monotherapy on the clinical and tomographic success of the treatment of teeth with periapical lesions: an observational clinical study
Fabricio Hinojosa Pedraza, Abel Victor Isidro Teves-Cordova, Murilo Priori Alcalde, Marco Antonio Hungaro Duarte
Restor Dent Endod 2025;50(2):e15.   Published online May 15, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e15
AbstractAbstract PDFPubReaderePub
Objectives
The aim of this study was to demonstrate the impact of a high-power 810-nm diode laser as monotherapy on the clinical and tomographic success of treating teeth with periapical lesions, through a series of 31 cases.
Methods
Teeth with apical lesions underwent endodontic treatment in which a high-power 810-nm diode laser with saline solution was used as monotherapy for disinfection. This type of therapy aimed to replace the traditional irrigation protocol with sodium hypochlorite. This research is the first to assess the clinical success of this alternative treatment, along with tomographic evaluations conducted over periods ranging from 2 to 7 years, analyzed using the periapical index based on cone-beam computed tomography (CBCTPAI). All cases were performed by a single clinician following the same laser protocol, which involved using 1 W of continuous power and four cycles of 20 seconds of laser activation.
Results
All teeth showed no clinical symptoms upon follow-up examination. However, the tomographic evaluation revealed that the success rates for teeth receiving primary treatment were 60% and 80% according to strict and loose criteria, respectively. For teeth requiring retreatment, the success rates were 12.5% and 37.5% using strict and loose criteria, respectively.
Conclusions
The teeth with apical lesions that underwent primary treatment did not present clinical symptoms, but they showed a moderate success rate on tomographic evaluation. However, despite lacking clinical symptoms, teeth with apical lesions that required retreatment had a very low success rate on tomographic evaluation.

Citations

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  • Diode Laser-Guided Protocol for Endo-Perio Lesions: Toward a Multi-Stage Therapeutic Strategy—A Case Series and Brief Literature Review
    Ioana-Roxana Munteanu, George-Dumitru Constantin, Ruxandra-Elena Luca, Ioana Veja, Mariana-Ioana Miron
    Medicina.2025; 61(12): 2157.     CrossRef
  • 3,711 View
  • 180 Download
  • 1 Web of Science
  • 1 Crossref
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Bibliometric analysis of the GentleWave system: trends, collaborations, and research gaps
Raimundo Sales de Oliveira Neto, Thais de Moraes Souza, João Vitor Oliveira de Amorim, Thaine Oliveira Lima, Guilherme Ferreira da Silva, Rodrigo Ricci Vivan, Murilo Priori Alcalde, Marco Antonio Hungaro Duarte
Restor Dent Endod 2025;50(2):e17.   Published online May 12, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e17
AbstractAbstract PDFSupplementary MaterialPubReaderePub
Objectives
The study aimed to conduct a bibliometric analysis of the GentleWave system (Sonendo, Inc.).
Methods
An electronic search was conducted in June 2024 using the Web of Science Collection database. Two reviewers independently screened publications, extracting data on authorship, publication details, study design, and citation metrics. Statistical analyses were performed in R to assess variable correlations, while the VOSviewer (Visualization of Similarities Viewer) software was used to map author and keyword networks.
Results
The search yielded 47 records, with 32 studies included. Publications spanned 2014 to 2024. The Journal of Endodontics published the highest number of studies (n = 15), and the International Endodontic Journal had the highest impact factor (5.4). The University of British Columbia and Sonendo, Inc. were the most frequent affiliations. Among the 32 articles, 28 were in vitro studies, primarily focusing on microbiology (n = 9). A total of 95 authors were identified, with Haapasalo and Shen being the most cited (n = 229). The articles accumulated 495 citations, demonstrating a strong positive correlation between the number of studies and citation counts (r = 0.98).
Conclusions
The analysis highlights a predominance of in vitro studies. Geographic concentration in the United States and Canada limits diversity, while the strong correlation between study numbers and citations suggests that increased publication volume enhances visibility.

Citations

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  • Three-year Outcomes of Conventional Versus Minimally Invasive Endodontic Treatment Protocols: A Retrospective Study
    Kiavash Hossini, He Liu, Ya Shen, Jolanta Aleksejuniene, Fahda Algahtani, Ahmed Hieawy
    Journal of Endodontics.2025;[Epub]     CrossRef
  • 3,272 View
  • 79 Download
  • 1 Crossref
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Effect of surface treatment on glass ionomers in sandwich restorations: a systematic review and meta-analysis of laboratory studies
Hoda S. Ismail, Ashraf Ibrahim Ali, Franklin Garcia-Godoy
Restor Dent Endod 2025;50(2):e13.   Published online April 16, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e13
AbstractAbstract PDFPubReaderePub
Objectives
This study aimed to evaluate the effect of different surface treatments on the bond strength between new or aged glass ionomers (GI) and resin composites in sandwich restorations.
Methods
A comprehensive search was conducted in three databases to identify studies focusing on the bond strength of new or aged GIs and resin composites in laboratory settings. The selected studies were assessed for potential biases based on predetermined criteria. Additionally, a meta-analysis was performed using three studies.
Results
A total of 29 studies were included, with 24 investigating the bond strength of new GIs and five focusing on GI repair. Three studies were included in the meta-analysis (with a 95% confidence interval) which revealed no significant difference in the mean MPa values of resin-modified glass ionomer (RMGI) treated with phosphoric acid or Er,Cr:YSGG laser before the application of an etch-and-rinse adhesive. Surface treatment was found to be crucial for achieving optimal bonding between GI and resin composite, regardless of the GI’s condition.
Conclusions
The combination of mechanical and chemical surface treatments does not significantly affect the bond strength between new RMGI and composite. However, for GI repair, it is recommended to use both treatments to enhance the bond strength.

Citations

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  • The impact of alloy treatment on the dynamic cyclic fatigue resistance of triangular base cross-section NiTi endodontic instruments
    Rashid El Abed, Amre R. Atmeh, Mohamed Jamal, Anas Al Jadaa, Hamza El-Faraj, Abdel Rahman Bani Amer, Taher Al Omari
    Odontology.2025;[Epub]     CrossRef
  • 8,371 View
  • 203 Download
  • 1 Crossref
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Evaluation of the effects of different file systems and apical functions of integrated endodontic motors on debris extrusion: an ex vivo experimental study
Sıla Nur Usta, Antonio Magan-Fernandez, Cumhur Aydın
Restor Dent Endod 2025;50(2):e14.   Published online April 14, 2025
DOI: https://doi.org/10.5395/rde.2025.50.e14
AbstractAbstract PDFPubReaderePub
Objectives
This study aimed to evaluate the effects of two different file systems operated with three apical functions of an endodontic motor integrated with an electronic apex locator on debris extrusion.
Methods
Sixty single-rooted teeth were prepared and divided into two main groups and three subgroups based on the file system (OneShape [Micro-Mega SA] and WaveOne [Dentsply Maillefer]) and apical function of the endodontic motor used (auto apical stop [AAS], auto apical reverse [AAR], and auto apical slowdown [ASD]). The teeth were mounted in pre-weighed glass tubes filled with 0.9% sodium chloride to complete the circuit with the apex locator. Files were advanced until the respective apical function (stop, reverse, or slowdown) was activated. The extruded debris was collected, dried, and weighed by subtracting pre-weighed values from post-weighed values. Preparation time was also recorded. Statistical analyses were performed to compare the groups.
Results
OneShape was associated with significantly less debris extrusion compared to WaveOne, regardless of the apical function (p < 0.05). The ASD function resulted in the least debris extrusion compared to AAS and AAR (p < 0.05). Preparation time was significantly longer in the ASD function (p < 0.05), while no differences were observed between the file systems (p > 0.05).
Conclusions
The OneShape file system and the ASD function produced the least amount of apical debris. While the ASD function requires more preparation time, its potential to minimize debris extrusion suggests it may reduce postoperative symptoms.

Citations

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  • Inflammatory Mediator Levels and Postoperative Pain Following Root Canal Shaping with Different Apical Actions: A Randomized Controlled Trial
    Mustafa Mert Tulgar, Yağmur Kılıç, Oğuz Karalar, Huriye Erbak Yılmaz, Emrah Karataşlıoğlu
    Journal of Endodontics.2025;[Epub]     CrossRef
  • 4,116 View
  • 216 Download
  • 1 Crossref
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Review Article
Influence of disinfecting solutions on the surface topography of gutta-percha cones: a systematic review of in vitro studies
Lora Mishra, Gathani Dash, Naomi Ranjan Singh, Manoj Kumar, Saurav Panda, Franck Diemer, Monika Lukomska-Szymanska, Barbara Lapinska, Abdul Samad Khan
Restor Dent Endod 2024;49(4):e42.   Published online November 1, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e42
AbstractAbstract PDFSupplementary MaterialPubReaderePub

The surface integrity of gutta-percha cones is a crucial factor in the success of endodontic procedures. Disinfecting solutions play a pivotal role in sterilizing gutta-percha cones, but their influence on gutta-percha surface topography remains a subject of concern. This systematic review aimed to present a qualitative synthesis of available laboratory studies assessing the influence of disinfecting solutions on the surface topography of gutta-percha and offers insights into the implications for clinical practice. The present review followed PRISMA 2020 guidelines. An advanced database search was performed in PubMed, Google Scholar, Embase, Scopus, LILAC, non-indexed citations and reference lists of eligible studies in May 2024. Laboratory studies, in English language, were considered for inclusion. The quality (risk of bias) of the included studies was assessed using parameters for in vitro studies. A total of 28 studies were included in the qualitative synthesis. Based on the included in vitro studies, surface deposits and alterations in the physical properties of gutta-percha cones were observed after the disinfection protocol. A comprehensive review of the available literature indicates that the choice of disinfecting solution, its concentration, and immersion time significantly affect the surface topography of gutta-percha cones.

Citations

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  • In Vitro Evaluation of Disinfectants on Gutta-Percha Cones: Antimicrobial Efficacy Against Enterococcus faecalis and Candida albicans
    Tringa Kelmendi, Donika Bajrami Shabani, Aida Meto, Hani Ounsi
    Journal of Clinical Medicine.2025; 14(19): 6846.     CrossRef
  • 3,656 View
  • 189 Download
  • 1 Web of Science
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Research Articles
Histological evaluation of pulp response to alendronate and Biodentine as pulp capping agents: an animal study
Thangavel Boopathi, Sekar Manimaran, Joseline Charles Kerena, Mathew Sebeena, Kumaravadivel Karthick, Natesan Thangaraj Deepa
Restor Dent Endod 2024;49(4):e39.   Published online October 29, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e39
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to comparatively assess the histological response of the pulp toward alendronate and Biodentine in a direct pulp capping procedure.

Materials and Methods

Twenty-four anterior teeth from 6 New Zealand rabbits were used in this study. Firstly, all rabbits were anesthetized according to their weight. Class V cavities were prepared on the buccal surfaces of anterior teeth. A pin-point exposure of the pulp was then made using a small, sterile round carbide bur and bleeding was arrested with a saline-soaked, sterile cotton pellet. The teeth under study were divided into 2 groups (n = 12). The intentionally exposed pulp was capped with alendronate (Group 1) and Biodentine (Group 2), correspondingly. After 30 days, all rabbits were euthanized; the teeth under study were extracted and taken up for histological analysis.

Results

Biodentine showed an intact, very dense dentin bridge formation with a uniform odontoblast (OD) layer pattern and mild or absent inflammatory response whereas specimens capped with alendronate demonstrated a dense dentin bridge formation with non-uniform OD layer pattern and mild to moderate inflammatory response.

Conclusions

Biodentine showed more biocompatibility than alendronate. However, alendronate can initiate reparative dentin formation and may be used as an alternative pulp capping agent.

Citations

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  • In Vivo Evaluation of NF-κB and TGFβ-1 Modulation by Anadara granosa Shell-Derived Calcium Carbonate Bioceramic in Rat Model
    Randy Nugraha Pratama, Nurhayati Natsir, Kezia Rachellea Mustakim, Juni Jekti Nugroho
    European Journal of General Dentistry.2026;[Epub]     CrossRef
  • 3,091 View
  • 130 Download
  • 1 Crossref
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Physical-mechanical, chemical and biological properties of graphene-reinforced glass ionomer cements
Tatiane Ramos dos Santos Jordão, Laura Soares Viana Fernandes, Karla Lorene de França Leite, Adílis Alexandria, Emmanuel João Nogueira Leal Silva, Lucianne Cople Maia, Tatiana Kelly da Silva Fidalgo
Restor Dent Endod 2024;49(4):e37.   Published online October 10, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e37
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to evaluate the physical-mechanical, chemical, and biological properties of graphene-reinforced glass ionomer cements (GICs).

Materials and Methods

Different proportions of graphene powder were incorporated into 2 high-viscosity self-curing GIC, Ketac Molar (GKetac) and Fuji IX (GFuji), in 4 different concentrations: 0.5%, 1%, 2%, and 5%. The control groups included the GICs without graphene. Experiments were performed to analyze linear (Ra) and volumetric roughness (Sa), antimicrobial activity, radiopacity, fluoride release, microhardness, solubility, and water sorption. Data were analyzed using Kruskal-Wallis, Mann-Whitney, Wilcoxon, analysis of variance, and Tukey’s test (p ≤ 0.05).

Results

The GKetac 0% and GFuji0% groups presented higher Ra (4.05 and 2.72) and Sa (4.76 and 5.16), respectively. No inhibition zone was observed, and the incorporation of graphene reduced radiopacity. Moreover, there was no influence on the solubility and water sorption after 21 days. A greater fluoride release was observed in the period of 7 days for most of the groups. After 21 days, GKetac 5%, 2%, and 1% presented higher releasing than 0% and 0.5% (p ≤ 0.05).

Conclusions

The graphene incorporation improved the microhardness of GICs in lower concentrations. Graphene incorporation to GICs modified some physical-mechanical, and chemical, but not affected biological properties.

Citations

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  • Laboratory-Based Additive Modifications in Glass Ionomer Cements: A Scoping Review Using a Systematic Data Mining and Trend Analysis Framework (2015-2024)
    Kenta Tsuchiya, Sharanbir K Sidhu, Salvatore Sauro, Jukka P. Matinlinna, Hidehiko Sano, Monica Yamauti, Shuhei Hoshika, James Kit Hon Tsoi, Atsushi Tomokiyo
    Journal of Dentistry.2026; : 106349.     CrossRef
  • 2,615 View
  • 169 Download
  • 1 Crossref
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Case Report
Straightforward replication of digital wax-up design into direct composite resin restorations in adolescents using a custom 3-dimensionally printed index
Ra’fat Ibrahim Farah, Sanaa Najeh Al-Haj Ali, Abdullah Alharbi, Bandar Alresheedi
Restor Dent Endod 2024;49(4):e36.   Published online October 10, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e36
AbstractAbstract PDFPubReaderePub

This case report introduces a straightforward, noninvasive approach for the esthetic rehabilitation of malformed anterior teeth in adolescents using direct composite restorations. The universal composite resin restorations are applied within a transparent 3-dimensionally printed rigid-resin index, which is individually customized from a digital wax-up. Compared to other methods, this technique streamlines the restoration process, significantly reducing chairside time while enhancing the predictability, accuracy, and patient acceptance of the aesthetic outcome.

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  • Diastema closure and esthetic rehabilitation with peg-shaped laterals: A case series
    Afsana Ansari, Dipika Yadav
    The Saint's International Dental Journal.2024; 8(2): 48.     CrossRef
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Research Articles
Predictive factors in the retrieval of endodontic instruments: the relationship between the fragment length and location
Ricardo Portigliatti, Eugenia Pilar Consoli Lizzi, Pablo Alejandro Rodríguez
Restor Dent Endod 2024;49(4):e35.   Published online September 9, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e35
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to relate the file fragment length and location in the root canal to the retrieval chances, the clinical time required and the occurrence of secondary fractures.

Materials and Methods

Sixty clinical cases of fractured instruments were included in this study. They were classified according to the instrument length and the location of the root canal. In each group, the success rate in the instrument retrieval, the clinical time required and the occurrence of secondary fractures were evaluated. The collected data were analyzed using the Kruskal-Wallis test on the basis of a 0.05 significance level.

Results

The fragment length showed no significant influence on the assessed variables (p > 0.05). The root third where the instrument was located resulted in an increased clinical time, with statistically significant differences (p < 0.05). However, the procedure success rate and the occurrence of secondary fractures showed no association with these variables.

Conclusions

In accordance with the findings of this study, the fractured fragment length did not influence any of the variables assessed, but it is suggested to focus on the fragment location inside the root canal to decide the retrieval of a fractured instrument.

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  • Neodymium-Doped Yttrium Aluminum Perovskite (Nd:YAP) Laser in the Elimination of Endodontic Nickel-Titanium Files Fractured in Rooted Canals (Part 2: Teeth With Significant Root Curvature)
    Amaury Namour, Marwan El Mobadder, Clément Cerfontaine, Patrick Matamba, Lucia Misoaga, Delphine Magnin , Praveen Arany, Samir Nammour
    Cureus.2025;[Epub]     CrossRef
  • 3,051 View
  • 252 Download
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Effect of surface sealant on the color stability and whiteness index of single-shade resin composites after staining and bleaching
Muhammet Fidan, Özhan Yağcı
Restor Dent Endod 2024;49(3):e30.   Published online July 11, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e30
AbstractAbstract PDFPubReaderePub
Objectives

The aim of the current study was to evaluate the effect of polishing systems and surface sealant on the color stability and whiteness index of single-shade resin composites after staining and bleaching.

Materials and Methods

Three single-shade (Omnichroma, Charisma Diamond One, Zenchroma) and one multi-shade (Filtek Z250) materials were tested. From each resin composite, 40 specimens were prepared. The specimens were divided into 4 subgroups (n = 10) according to the surface treatments: 1-step polishing, 1-step + Biscover LV, 2-step polishing, and 2-step polishing + Biscover LV. Color differences (ΔE00) were calculated after being immersed in the coffee solution for 12 days. After the staining, the specimens were immersed in a whitening mouthrinse (Crest-3D White) for 12 hours. Whiteness index differences (∆WID = WID after staining − WID after bleaching) values were recorded. The generalized linear model was used for analysis (p < 0.05).

Results

The lowest and highest ΔE00 values were found for Zenchroma and Charisma Diamond One respectively. Sealed groups indicated higher ΔE00 values than nonsealed groups with significant differences (p = 0.008). The lowest and highest ΔWID values were found for Zenchroma and Charisma Diamond One respectively. Sealed groups indicated lower ΔWID values than nonsealed groups with significant differences (p = 0.022).

Conclusions

The use of surface sealant increased the discoloration and showed less whiteness change in resin materials. When the 1-step was compared with the 2-step polishing, the effects on the color stability and whiteness index values of the resin materials were similar.

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  • Evaluating the effects of bleaching on color stability and surface roughness in single-shade and multi-shade resin composites
    Hatice Tepe, Özge Çeliksöz, Zeynep Biçer, Batucan Yaman
    Anatolian Current Medical Journal.2024; 6(6): 372.     CrossRef
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Endodontic characteristics of mandibular premolar with dens evaginatus: a retrospective study
Minjin Kim, Sujin Jeon, Min-Seock Seo
Restor Dent Endod 2024;49(3):e28.   Published online July 11, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e28
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to investigate the endodontic characteristics of mandibular premolars with dens evaginatus (DE) that require endodontic treatment.

Materials and Methods

Patients who underwent endodontic treatment were enrolled. The inclusion criteria were patients who underwent root canal treatment in the lower permanent teeth with DE and were followed up for at least 1 year. Preoperative clinical and radiographic variables were obtained. The frequency distribution of the preoperative variables was compared using the χ2 or Fisher’s exact tests. The significance of the change in periapical health index (PAI) and root development stages before and after treatment was examined using the Wilcoxon signed-rank test.

Results

A total of 150 teeth of 134 patients with an average age of 15.3 years were included. The percentage distribution comparison of the preoperative variables and obturation techniques revealed significant differences in pulpal and periapical diagnosis, and percussion, and especially regarding age, root development stage, and PAI. Age was the only statistically significant preoperative variable associated with root growth (p < 0.05).

Conclusions

Approximately, 60% of DEs requiring endodontic treatment had immature roots. Age being the most significant predisposing factor, early treatment provides the greatest opportunity for full root development.

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  • A tooth with multiple supernumerary cusps and taurodontism concurrently accompanied with other taurodont teeth: a rare case report
    Zihui Tang, Hongchen Zhang, Rongrong Dang, Qiushi Zhang, Yan Huang, Yanwei Yang
    Surgical and Radiologic Anatomy.2025;[Epub]     CrossRef
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  • 102 Download
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Effects of a relined fiberglass post with conventional and self-adhesive resin cement
Wilton Lima dos Santos Junior, Marina Rodrigues Santi, Rodrigo Barros Esteves Lins, Luís Roberto Marcondes Martins
Restor Dent Endod 2024;49(2):e18.   Published online March 27, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e18
AbstractAbstract PDFPubReaderePub
Objectives

This study was conducted to evaluate the mechanical properties of relined and non-relined fiberglass posts when cemented to root canal dentin using a conventional dual-cure resin cement or a self-adhesive resin cement.

Materials and Methods

Two types of resin cements were utilized: conventional and self-adhesive. Additionally, 2 cementation protocols were employed, involving relined and non-relined fiberglass posts. In total, 72 bovine incisors were cemented and subjected to push-out bond strength testing (n = 10) followed by failure mode analysis. The cross-sectional microhardness (n = 5) was assessed along the root canal, and interface analyses (n = 3) were conducted using scanning electron microscopy (SEM). Data from the push-out bond strength and cross-sectional microhardness tests were analyzed via 3-way analysis of variance and the Bonferroni post-hoc test (α = 0.05).

Results

For non-relined fiberglass posts, conventional resin cement exhibited higher push-out bond strength than self-adhesive cement. Relined fiberglass posts yielded comparable results between the resin cements. Type II failure was the most common failure mode for both resin cements, regardless of cementation protocol. The use of relined fiberglass posts improved the cross-sectional microhardness values for both cements. SEM images revealed voids and bubbles in the incisors with non-relined fiberglass posts.

Conclusions

Mechanical properties were impacted by the cementation protocol. Relined fiberglass posts presented the highest push-out bond strength and cross-sectional microhardness values, regardless of the resin cement used (conventional dual-cure or self-adhesive). Conversely, for non-relined fiberglass posts, the conventional dual-cure resin cement yielded superior results to the self-adhesive resin cement.

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  • Push-Out Bond Strength of Different Luting Cements Following Post Space Irrigation with 2% Chitosan: An In Vitro Study
    Shimaa Rifaat, Ahmed Rahoma, Hind Muneer Alharbi, Sawsan Jamal Kazim, Shrouq Ali Aljuaid, Basmah Omar Alakloby, Faraz A. Farooqi, Noha Taymour
    Prosthesis.2025; 7(1): 18.     CrossRef
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Prevalence of apical periodontitis and quality of root canal treatment in an adult Kuwaiti sub-population: a cross-sectional study
Abdulrahman A. Alhailaa, Saad A Al-Nazhan, Mazen A Aldosimani
Restor Dent Endod 2024;49(2):e16.   Published online March 22, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e16
AbstractAbstract PDFPubReaderePub
Objectives

This cross-sectional study evaluated the prevalence of apical periodontitis (AP) and the technical quality of root canal fillings in an adult Kuwaiti subpopulation using cone-beam computed tomography (CBCT) images.

Materials and Methods

Two experienced examiners analyzed 250 CBCT images obtained from Kuwaiti patients aged 15–65 years who attended government dental specialist clinics between January 2019 and September 2020. The assessment followed the radiographic scoring criteria proposed by De Moor for periapical status and the technical quality of root canal filling. Chi-square and Fisher’s exact tests were used for statistical analysis, with significance level set at p < 0.05.

Results

Among the 2,762 examined teeth, 191 (6.91%) exhibited radiographic signs of AP, and 176 (6.37%) had undergone root canal filling. AP prevalence in root canal-treated teeth was 32.38%, with a significant difference between males and females. Most of the endodontically treated teeth exhibited adequate root canal filling (71.5%).

Conclusions

The study demonstrated a comparable prevalence of AP and satisfactory execution of root canal treatment compared to similar studies in different countries.

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  • A Retrospective Study of CBCT-Based Detection of Endodontic Failures and Periapical Lesions in a Romanian Cohort
    Oana Andreea Diaconu, Lelia Mihaela Gheorghiță, Anca Gabriela Gheorghe, Mihaela Jana Țuculină, Maria Cristina Munteanu, Cătălina Alexandra Iacov, Virginia Maria Rădulescu, Mihaela Ionescu, Adina Andreea Mirea, Carina Alexandra Bănică
    Journal of Clinical Medicine.2025; 14(18): 6364.     CrossRef
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Effect of Dental Practicality Index training using an online video on decision-making and confidence level in treatment planning by dental undergraduates
Zhai Wei See, Ming Sern Lee, Abhishek Parolia, Shalini Kanagasingam, Shilpa Gunjal, Shanon Patel
Restor Dent Endod 2024;49(1):e8.   Published online January 24, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e8
AbstractAbstract PDFPubReaderePub
Objectives

The purpose of this study was to evaluate the effect of Dental Practicality Index (DPI) training using an online video on the treatment planning decisions and confidence level of dental undergraduates (DUs).

Materials and Methods

Ninety-four DUs were shown 15 clinical case scenarios and asked to decide on treatment plans based on 4 treatment options. The most appropriate treatment plan had been decided by a consensus panel of experienced dentists. DUs then underwent DPI training using an online video. In a post-DPI-training test, DUs were shown the same clinical case scenarios and asked to assign the best treatment option. After 6 weeks, DUs were retested to assess their knowledge retention. In all 3 tests, DUs completed the confidence level scale questionnaire. Data were analyzed using the related-samples Wilcoxon signed rank test and the independent-samples Mann-Whitney U test with the level of significance set at p < 0.05.

Results

DPI training significantly improved the mean scores of the DUs from 7.53 in the pre-DPI-training test to 9.01 in the post-DPI-training test (p < 0.001). After 6 weeks, the mean scores decreased marginally to 8.87 in the retention test (p = 0.563). DPI training increased their confidence level from 5.68 pre-DPI training to 7.09 post-DPI training.

Conclusions

Training DUs using DPI with an online video improved their decision-making and confidence level in treatment planning.

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  • STUDY OF THE EFFECTIVENESS OF THE USE OF DIRECT AND INDIRECT RESTORATION OVER TIME IN THE TREATMENT OF DEFECTS OF HARD DENTAL TISSUES AFTER ENDODONTIC INTERVENTION
    V. V. Fedoriuk, М. М. Rozhko
    Art of Medicine.2025; : 94.     CrossRef
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Predictor factors of 1-rooted mandibular second molars on complicated root and canal anatomies of other mandibular teeth
Hakan Aydın, Hatice Harorlı
Restor Dent Endod 2024;49(1):e2.   Published online January 3, 2024
DOI: https://doi.org/10.5395/rde.2024.49.e2
AbstractAbstract PDFPubReaderePub
Objectives

This study aimed to determine the effects of 1-rooted mandibular second molar (MnSM) teeth on root canal anatomy complexities of the mandibular central incisor (MnCI), mandibular lateral incisor (MnLI), mandibular canine (MnCn), mandibular first premolar (MnFP), mandibular second premolar (MnSP), and mandibular first molar (MnFM) teeth.

Materials and Methods

Cone-beam computed tomography images of 600 patients with full lower dentition were examined. Individuals with 1-rooted MnSMs were determined, and the complexity of root canal anatomy of other teeth was compared with individuals without 1-rooted MnSMs (Group-1; subjects with at least one 1-rooted MnSM, Group-2; subjects with more than a single root in both MnSMs). A second canal in MnCIs, MnLIs, MnCns, MnFPs, and MnSPs indicated a complicated root canal. The presence of a third root in MnFMs was recorded as complicated.

Results

The prevalence of 1-rooted MnSMs was 12.2%, with the C-shaped root type being the most prevalent (9%). There were fewer complicated root canals in MnCIs (p = 0.02), MnLIs (p < 0.001), and MnFPs (p < 0.001) in Group 1. The other teeth showed no difference between the groups (p > 0.05). According to logistic regression analysis, 1-rooted right MnSMs had a negative effect on having complex canal systems of MnLIs and MnFPs. Left MnSMs were explanatory variables on left MnLIs and both MnFPs.

Conclusions

In individuals with single-rooted MnSMs, a less complicated root canal system was observed in all teeth except the MnFMs.

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  • Repair of furcal perforations using different calcium silicate cements: An in vitro study
    Ariana Esperanza Apolo Aguilar, Maria Soledad Peñaherrera Manosalvas, Henry Paul Valverde Haro
    Journal of Conservative Dentistry and Endodontics.2025; 28(10): 1007.     CrossRef
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