Restorative Dentistry & Endodontics

Volume 45 (1); February 2020

Editorial

Appreciation to peer reviewers in 2019 for their contributions to Restorative Dentistry and Endodontics: Kyung-San Min; Restor Dent Endod 2020;45(1):e16. Published online February 11, 2020; DOI: https://doi.org/10.5395/rde.2020.45.e16

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Research Articles

The prevalence of radix molaris in the mandibular first molars of a Saudi subpopulation based on cone-beam computed tomography: Hassan AL-Alawi, Saad Al-Nazhan, Nassr Al-Maflehi, Mazen A. Aldosimani, Mohammed Nabil Zahid, Ghadeer N. Shihabi; Restor Dent Endod 2020;45(1):e1. Published online November 14, 2019; DOI: https://doi.org/10.5395/rde.2020.45.e1

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Objectives

The purpose of this study was to determine the incidence of radix molaris (RM) (entomolaris and paramolaris) in the mandibular first permanent molars of a sample Saudi Arabian subpopulation using cone-beam computed tomography (CBCT).

Materials and Methods

A total of 884 CBCT images of 427 male and 457 female Saudi citizens (age 16 to 70 years) were collected from the radiology department archives of 4 dental centers. A total of 450 CBCT images of 741 mature mandibular first molars that met the inclusion criteria were reviewed. The images were viewed at high resolution by 3 examiners and were analyzed with Planmeca Romexis software (version 5.2).

Results

Thirty-three (4.5%) mandibular first permanent molars had RM, mostly on the distal side. The incidence of radix entomolaris (EM) was 4.3%, while that of radix paramolaris was 0.3%. The RM roots had one canal and occurred more unilaterally. No significant difference in root configuration was found between males and females (p > 0.05). Types I and III EM root canal configurations were most common, while type B was the only RP configuration observed.

Conclusions

The incidence of RM in the mandibular first molars of this Saudi subpopulation was 4.5%. Identification of the supernumerary root can avoid missing the canal associated with the root during root canal treatment.

Citations

Citations to this article as recorded by

Evaluation of the variations of mandibular molars and the distance from root apex to the inferior alveolar nerve in Saudi Sub-population: Three-dimensional radiographic evaluation
Tariq Mohammed Aqili, Esam Sami Almuzaini, Abdulbari Saleh Aljohani, Ahmed Khaled Al Saeedi, Hassan Abdulmuti Hammudah, Muath Alassaf, Muhannad M. Hakeem, Mohmed Isaqali Karobari
PLOS ONE.2025; 20(2): e0317053. CrossRef
Assessment of the root and canal morphology in the permanent dentition of Saudi Arabian population using cone beam computed and micro-computed tomography – a systematic review
Mohammed Mustafa, Rumesa Batul, Mohmed Isaqali Karobari, Hadi Mohammed Alamri, Abdulaziz Abdulwahed, Ahmed A. Almokhatieb, Qamar Hashem, Abdullah Alsakaker, Mohammad Khursheed Alam, Hany Mohamed Aly Ahmed
BMC Oral Health.2024;[Epub] CrossRef
Prevalence of radix accesoria dentis in a northern Peruvian population evaluated by cone-beam tomography
Karla Renata León-Almanza, Anthony Adrián Jaramillo-Nuñez, Catherin Angélica Ruiz-Cisneros, Paul Martín Herrera-Plasencia
Heliyon.2024; 10(16): e35919. CrossRef
Radix molaris is a hidden truth of mandibular first permanent molars: A descriptive- analytic study using cone beam computed tomography
Mohammed A. Alobaid, Saurabh Chaturvedi, Ebtihal Mobarak S. Alshahrani, Ebtsam M. Alshehri, Amal S. Shaiban, Mohamed Khaled Addas, Giuseppe Minervini
Technology and Health Care.2023; 31(5): 1957. CrossRef
Prevalence of Radix Entomolaris in Mandibular Permanent Molars Analyzed by Cone-Beam CT in the Saudi Population of Ha'il Province
Moazzy I Almansour, Ahmed A Madfa, Adhwaa F Algharbi, Reem Almuslumani, Noeer K Alshammari, Ghufran M Al Hussain
Cureus.2023;[Epub] CrossRef
Prevalence of radix entomolaris in India and its comparison with the rest of the world
Sumit MOHAN, Jyoti THAKUR
Minerva Dental and Oral Science.2022;[Epub] CrossRef
Radix Paramolaris an Endodontic Challenge: A Case Report
Ashwini B Prasad, Deepak Raisingani, Ridhima Gupta, Rimjhim Jain
Journal of Mahatma Gandhi University of Medical Sciences and Technology.2022; 7(1): 32. CrossRef
Evaluation of Radix Entomolaris and Middle Mesial Canal in Mandibular Permanent First Molars in an Iraqi Subpopulation Using Cone‐Beam Computed Tomography
Ranjdar Mahmood Talabani, Kazhan Omer Abdalrahman, Rawa Jamal Abdul, Dlsoz Omer Babarasul, Sara Hilmi Kazzaz, Heng Bo Jiang
BioMed Research International.2022;[Epub] CrossRef
Evaluation of Root Canal Configuration of Maxillary and Mandibular First Molar by CBCT: A Retrospective Cross-Sectional Study
Rakan Rafdan Alhujhuj, Rizwan Jouhar, Muhammad Adeel Ahmed, Abdullatif Abdulrahman Almujhim, Mohammed Tariq Albutayh, Necdet Adanir
Diagnostics.2022; 12(9): 2121. CrossRef
Ethnical Anatomical Differences in Mandibular First Permanent Molars between Indian and Saudi Arabian Subpopulations: A Retrospective Cross-sectional Study
Abdulwahab Alamir, Mohammed Mashyakhy, Apathsakayan Renugalakshmi, Thilla S Vinothkumar, Anandhi S Arthisri, Ahmed Juraybi
The Journal of Contemporary Dental Practice.2021; 22(5): 484. CrossRef

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Cytocompatibility and cell proliferation evaluation of calcium phosphate-based root canal sealers: Letícia Boldrin Mestieri, Ivana Maria Zaccara, Lucas Siqueira Pinheiro, Fernando Branco Barletta, Patrícia Maria Polli Kopper, Fabiana Soares Grecca; Restor Dent Endod 2020;45(1):e2. Published online November 15, 2019; DOI: https://doi.org/10.5395/rde.2020.45.e2

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Objectives

This study aimed to evaluate the cell viability and migration of Endosequence Bioceramic Root Canal Sealer (BC Sealer) compared to MTA Fillapex and AH Plus.

Materials and Methods

BC Sealer, MTA Fillapex, and AH Plus were placed in contact with culture medium to obtain sealers extracts in dilution 1:1, 1:2 and 1:4. 3T3 cells were plated and exposed to the extracts. Cell viability and migration were assessed by 3-(4,5-dimethyl-thiazoyl)-2,5-diphenyl-tetrazolium bromide (MTT) and Scratch assay, respectively. Data were analyzed by Kruskal-Wallis and Dunn's test (p < 0.05).

Results

The MTT assay revealed greater cytotoxicity for AH Plus and MTA Fillapex at 1:1 dilution when compared to control (p < 0.05). At 1:2 and 1:4 dilutions, all sealers were similar to control (p > 0.05) and MTA Fillapex was more cytotoxic than BC Sealer (p < 0.05). Scratch assay demonstrated the continuous closure of the wound according to time. At 30 hours, the control group presented closure of the wound (p < 0.05). At 36 hours, only BC Sealer presented the closure when compared to AH Plus and MTA Fillapex (p < 0.05). At 42 hours, AH Plus and MTA Fillapex showed a wound healing (p > 0.05).

Conclusions

All tested sealers demonstrated cell viability highlighting BC Sealer, which showed increased cell migration capacity suggesting that this sealer may achieve better tissue repair when compared to other tested sealers.

Citations

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Effect of Nano-Silica on Mechanical Properties and Cytotoxicity of Calcium-Silicate-Based Root Canal Filling Materials
Hao He, Bolang Hao, Xiang Xiong, Yi Cheng, Jia Lou, Zheyu He, Dongyang Li, Zhihuan Wang, Jian Qin
Crystals.2025; 15(1): 55. CrossRef
Premixed calcium silicate-based root canal sealers have better biological properties than AH Plus: A systematic review and meta-analysis of in vivo animal studies and in vitro laboratory studies
Cristiana Pereira Malta, Samantha Simoni Santi, Raquel Cristine Silva Barcelos, Fabrício Batistin Zanatta, Carlos Alexandre Souza Bier, Renata Dornelles Morgental
Journal of Conservative Dentistry and Endodontics.2024; 27(4): 345. CrossRef
Biological Properties of Bioceramic Sealers on Osteoblastic Cells: A Comparative Study
Angelita Piovezana Guerra, Danielle Gregorio, Gean Carlos Yamamoto, Nathalia Thalitha Bernardes dos Santos, Regina Celia Poli-Frederico, Luciana Prado Maia
Brazilian Dental Journal.2024;[Epub] CrossRef
Premixed calcium silicate‐based ceramic sealers promote osteogenic/cementogenic differentiation of human periodontal ligament stem cells: A microscopy study
Sergio López‐García, Sonia Sánchez‐Bautista, David García‐Bernal, Adrián Lozano, Leopoldo Forner, José L. Sanz, Laura Murcia, Francisco J. Rodríguez‐Lozano, Ricardo E. Oñate‐Sánchez
Microscopy Research and Technique.2024; 87(7): 1584. CrossRef
Cytotoxicity Comparison of Sure-seal root and Adseal Sealers on mouse fibroblast Cells:Invitro study
Azam haddadikohsar, Mohammad shokrzade, Marjan Fallah, Fatemeh Shakeri
journal of research in dental sciences.2024; 21(1): 46. CrossRef
Cytotoxicity and cell migration evaluation of a strontium silicate-based root canal sealer on stem cells from rat apical papilla: an in vitro study
Guanglei Zhou, Yu Zhao, Liangjing Cai, Liwei Liu, Xu Li, Lu Sun, Jiayin Deng
BMC Oral Health.2024;[Epub] CrossRef
A comparative study of biological properties of three root canal sealers
Yujia Yan, Yanyao Li, Yaqi Chi, Mengzhen Ji, Ya Shen, Ling Zou
Clinical Oral Investigations.2023;[Epub] CrossRef
Biomineralization potential and biological properties of a new tantalum oxide (Ta2O5)–containing calcium silicate cement
F. J. Rodríguez-Lozano, A. Lozano, S. López-García, D. García-Bernal, J. L. Sanz, J. Guerrero-Gironés, C. Llena, L. Forner, M. Melo
Clinical Oral Investigations.2022; 26(2): 1427. CrossRef
Cytotoxicity and Genotoxicity of Epoxy Resin-Based Root Canal Sealers before and after Setting Procedures
Mijoo Kim, Marc Hayashi, Bo Yu, Thomas K. Lee, Reuben H. Kim, Deuk-won Jo
Life.2022; 12(6): 847. CrossRef
Characterization, Antimicrobial Effects, and Cytocompatibility of a Root Canal Sealer Produced by Pozzolan Reaction between Calcium Hydroxide and Silica
Mi-Ah Kim, Vinicius Rosa, Prasanna Neelakantan, Yun-Chan Hwang, Kyung-San Min
Materials.2021; 14(11): 2863. CrossRef
Bone repair in defects filled with AH Plus sealer and different concentrations of MTA: a study in rat tibiae
Jessica Emanuella Rocha Paz, Priscila Oliveira Costa, Albert Alexandre Costa Souza, Ingrid Macedo de Oliveira, Lucas Fernandes Falcão, Carlos Alberto Monteiro Falcão, Maria Ângela Area Leão Ferraz, Lucielma Salmito Soares Pinto
Restorative Dentistry & Endodontics.2021;[Epub] CrossRef
Incorporation of amoxicillin-loaded microspheres in mineral trioxide aggregate cement: an in vitro study
Fábio Rocha Bohns, Vicente Castelo Branco Leitune, Isadora Martini Garcia, Bruna Genari, Nélio Bairros Dornelles, Silvia Stanisçuaski Guterres, Fabrício Aulo Ogliari, Mary Anne Sampaio de Melo, Fabrício Mezzomo Collares
Restorative Dentistry & Endodontics.2020;[Epub] CrossRef

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Bioactivity of endodontic biomaterials on dental pulp stem cells through dentin: Bahar Javid, Narges Panahandeh, Hassan Torabzadeh, Hamid Nazarian, Ardavan Parhizkar, Saeed Asgary; Restor Dent Endod 2020;45(1):e3. Published online November 4, 2019; DOI: https://doi.org/10.5395/rde.2020.45.e3

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Objectives

This study investigated the indirect effect of calcium-enriched mixture (CEM) cement and mineral trioxide aggregate (MTA), as 2 calcium silicate-based hydraulic cements, on human dental pulp stem cells (hDPSCs) through different dentin thicknesses.

Materials and Methods

Two-chamber setups were designed to simulate indirect pulp capping (IPC). Human molars were sectioned to obtain 0.1-, 0.3-, and 0.5-mm-thick dentin discs, which were placed between the 2 chambers to simulate an IPC procedure. Then, MTA and CEM were applied on one side of the discs, while hDPSCs were cultured on the other side. After 2 weeks of incubation, the cells were removed, and cell proliferation, morphology, and attachment to the discs were evaluated under scanning electron microscopy (SEM). Energy-dispersive X-ray (EDXA) spectroscopy was performed for elemental analysis. Alkaline phosphatase (ALP) activity was assessed quantitatively. The data were analyzed using the Kruskal-Wallis and Mann-Whitney tests.

Results

SEM micrographs revealed elongated cells, collagen fibers, and calcified nucleations in all samples. EDXA verified that the calcified nucleations consisted of calcium phosphate. The largest calcifications were seen in the 0.1-mm-thick dentin subgroups. There was no significant difference in ALP activity across the CEM subgroups; however, ALP activity was significantly lower in the 0.1-mm-thick dentin subgroup than in the other MTA subgroups (p < 0.05).

Conclusions

The employed capping biomaterials exerted biological activity on hDPSCs, as shown by cell proliferation, morphology, and attachment and calcific precipitations, through 0.1- to 0.5-mm-thick layers of dentin. In IPC, the bioactivity of these endodontic biomaterials is probably beneficial.

Citations

Citations to this article as recorded by

Effect of pulp capping materials on odontogenic differentiation of human dental pulp stem cells: An in vitro study
Mahmoud M. Bakr, Mohamed Shamel, Shereen N. Raafat, Robert M. Love, Mahmoud M. Al‐Ankily
Clinical and Experimental Dental Research.2024;[Epub] CrossRef
Effects of Growth Factors on the Differentiation of Dental Stem Cells: A Systematic Review and Meta-analysis (Part I)
Sayna Shamszadeh, Armin Shirvani, Hassan Torabzadeh, Saeed Asgary
Current Stem Cell Research & Therapy.2024; 19(4): 523. CrossRef
The Role of Growth Factor Delivery Systems on Cellular Activities of Dental Stem Cells: A Systematic Review (Part II)
Sayna Shamszadeh, Armin Shirvani, Saeed Asgary
Current Stem Cell Research & Therapy.2024; 19(4): 587. CrossRef
Comprehensive review of composition, properties, clinical applications, and future perspectives of calcium-enriched mixture (CEM) cement: a systematic analysis
Saeed Asgary, Mahtab Aram, Mahta Fazlyab
BioMedical Engineering OnLine.2024;[Epub] CrossRef
Evaluation of dental pulp stem cells behavior after odontogenic differentiation induction by three different bioactive materials on two different scaffolds
Basma Ahmed, Mai H. Ragab, Rania A. Galhom, Hayam Y. Hassan
BMC Oral Health.2023;[Epub] CrossRef
Characterization of Dental Pulp Stem Cell Responses to Functional Biomaterials Including Mineralized Trioxide Aggregates
Sejin Bae, Bueonguk Kang, Hyungbin Lee, Harrison Luu, Eric Mullins, Karl Kingsley
Journal of Functional Biomaterials.2021; 12(1): 15. CrossRef
Incorporation of amoxicillin-loaded microspheres in mineral trioxide aggregate cement: an in vitro study
Fábio Rocha Bohns, Vicente Castelo Branco Leitune, Isadora Martini Garcia, Bruna Genari, Nélio Bairros Dornelles, Silvia Stanisçuaski Guterres, Fabrício Aulo Ogliari, Mary Anne Sampaio de Melo, Fabrício Mezzomo Collares
Restorative Dentistry & Endodontics.2020;[Epub] CrossRef

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A micro-computed tomography evaluation of voids using calcium silicate-based materials in teeth with simulated internal root resorption: Vildan Tek, Sevinç Aktemur Türker; Restor Dent Endod 2020;45(1):e5. Published online November 29, 2019; DOI: https://doi.org/10.5395/rde.2020.45.e5

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Objectives

The obturation quality of MTA, Biodentine, Total Fill BC root canal sealer (RCS), and warm gutta-percha (WGP) in teeth with simulated internal root resorption (IRR) was evaluated by using micro-computed tomography.

Materials and Methods

Standardized IRR cavities were created using 40 extracted maxillary central incisor teeth and randomly assigned into 4 groups (n = 10). IRR cavities were filled with MTA, Biodentine, Total Fill BC RCS (bulk-fill form) and WGP + Total Fill BC RCS. Percentage of voids between resorptive cavity walls and obturation material (external void), and inside the filling materials (internal voids) were measured.

Results

Total Fill BC sealer in the bulk-fill form presented significantly highest values of external and internal void percentages (p < 0.05). Biodentine showed a significantly lowest external void percentage (p < 0.05). WGP + Total Fill BC RCS presented significantly lower values of internal void percentages than all groups (p < 0.05), except Biodentine (p > 0.05).

Conclusion

None of the filling materials were created void-free obturation in resorption cavities. Biodentine may favor its application in teeth with IRR over Angelus MTA and bulk-fill form of Total Fill BC.

Citations

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Evaluation of Different Techniques and Materials for Filling in 3-dimensional Printed Teeth Replicas with Perforating Internal Resorption by Means of Micro–Computed Tomography
Angelo J.S. Torres-Carrillo, Helena C. Assis, Rodrigo E. Salazar-Gamarra, Leonardo Moreira Teodosio, Alice C. Silva-Sousa, Jardel F. Mazzi-Chaves, Priscila B. Ferreira-Soares, Manoel D. Sousa-Neto, Fabiane C. Lopes-Olhê
Journal of Endodontics.2024; 50(2): 205. CrossRef
Three-Dimensional Measurement of Obturation Quality of Bioceramic Materials in Filling Artificial Internal Root Resorption Cavities Using Different Obturation Techniques: An In Vitro Comparative Study
Ammar M. Sharki, Ahmed H. Ali
Journal of Endodontics.2024; 50(7): 997. CrossRef
Evaluation of calcium hydroxide root canal filling materials by cone beam computed tomography and three-dimensional modeling
Asel Usdat Ozturk, Ekin Dogan, Venus Seyedoskuyi, Berk Senguler, Asli Topaloglu-Ak
Folia Medica.2024; 66(2): 250. CrossRef
Clinical applications of calcium silicate‐based materials: a narrative review
S Küçükkaya Eren
Australian Dental Journal.2023;[Epub] CrossRef
A critical analysis of research methods and experimental models to study root canal fillings
Gustavo De‐Deus, Erick Miranda Souza, Emmanuel João Nogueira Leal Silva, Felipe Gonçalves Belladonna, Marco Simões‐Carvalho, Daniele Moreira Cavalcante, Marco Aurélio Versiani
International Endodontic Journal.2022; 55(S2): 384. CrossRef
An Updated Review on Properties and Indications of Calcium Silicate-Based Cements in Endodontic Therapy
Fateme Eskandari, Alireza Razavian, Rozhina Hamidi, Khadije Yousefi, Susan Borzou, Zohaib Khurshid
International Journal of Dentistry.2022; 2022: 1. CrossRef
Efficacy Of Calcium Silicate-Based Sealers In Root Canal Treatment: A Systematic Review
Hattan Mohammed Omar Baismail, Mohammed Ghazi Moiser Albalawi, Alaa Mofareh Thoilek Alanazi, Muhannad Atallah Saleem Alatawi, Badr Soliman Alhussain
Annals of Dental Specialty.2021; 9(1): 87. CrossRef

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Effect of hydrofluoric acid-based etchant at an elevated temperature on the bond strength and surface topography of Y-TZP ceramics: Mi-Kyung Yu, Myung-Jin Lim, Noo-Ri Na, Kwang-Won Lee; Restor Dent Endod 2020;45(1):e6. Published online December 3, 2019; DOI: https://doi.org/10.5395/rde.2020.45.e6

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Objectives

This study investigated the effects of a hydrofluoric acid (HA; solution of hydrogen fluoride [HF] in water)-based smart etching (SE) solution at an elevated temperature on yttria-stabilized tetragonal zirconia polycrystal (Y-TZP) ceramics in terms of bond strength and morphological changes.

Materials and Methods

Eighty sintered Y-TZP specimens were prepared for shear bond strength (SBS) testing. The bonding surface of the Y-TZP specimens was treated with 37% phosphoric acid etching at 20°C–25°C, 4% HA etching at 20°C–25°C, or HA-based SE at 70°C–80°C. In all groups, zirconia primers were applied to the bonding surface of Y-TZP. For each group, 2 types of resin cement (with or without methacryloyloxydecyl dihydrogen phosphate [MDP]) were used. SBS testing was performed. Topographic changes of the etched Y-TZP surface were analyzed using scanning electron microscopy and atomic force microscopy. The results were analyzed and compared using 2-way analysis of variance.

Results

Regardless of the type of resin cement, the highest bond strength was measured in the SE group, with significant differences compared to the other groups (p < 0.05). In all groups, MDP-containing resin cement yielded significantly higher bond strength values than MDP-free resin cement (p < 0.05). It was also shown that the Y-TZP surface was etched by the SE solution, causing a large change in the surface topography.

Conclusions

Bond strength significantly improved when a heated HA-based SE solution was applied to the Y-TZP surface, and the etched Y-TZP surface was more irregular and had higher surface roughness.

Citations

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Evaluation of Different Surface Roughening Techniques on Clear Aligner Attachments Bonded to Monolithic Zirconia: In Vitro Study
Nehal F Albelasy, Ahmad M Hafez, Abdullah S Alhunayni
The Journal of Contemporary Dental Practice.2025; 25(12): 1104. CrossRef
Effect of Acid Surface Treatments on the Shear Bond Strength of Metal Bracket to Zirconia Ceramics
Punchanit Wongrachit, Bancha Samruajbenjakun, Boonlert Kukiattrakoon, Tanapat Jearanai, Supontep Teerakanok, Pannapat Chanmanee
Ceramics.2024; 7(2): 689. CrossRef
Exploring Zirconia Adhesion: Pre and Postsintering Physical Surface Treatment, Chemical Treatment, and Cement Interactions
Flávia Gonçalves, Mirko Dennys Ayala-Perez, Francisco Carlos dos Santos Reis, Walter Gomes Miranda-Júnior, Letícia Cristina Cidreira Boaro, Heng Bo Jiang
BioMed Research International.2024;[Epub] CrossRef
Evaluation of zirconia surfaces and shear bond strength after acid–etching with ultrasonic vibration
Xiaozhen Zhang, Hepeng Nie, Jiaxin Lv, Shanshan Yuan, Juan Wang, Kunzhan Cai, Jin Wu, Qingqing Zhang, Chunbo Tang
Materials Research Express.2024; 11(2): 025401. CrossRef
Effects of Surface-Etching Systems on the Shear Bond Strength of Dual-Polymerized Resin Cement and Zirconia
Sang-Hyun Kim, Kyung Chul Oh, Hong-Seok Moon
Materials.2024; 17(13): 3096. CrossRef
Zirconia bond strength durability following artificial aging: A systematic review and meta-analysis of in vitro studies
Athanasios E. Rigos, Katia Sarafidou, Eleana Kontonasaki
Japanese Dental Science Review.2023; 59: 138. CrossRef
Y-TZP Physicochemical Properties Conditioned with ZrO2 and SiO2 Nanofilms and Bond Strength to Dual Resin Cement
Ricardo Faria Ribeiro, Danilo Flamini Oliveira, Camila Bussola Tovani, Ana Paula Ramos, Ana Flavia Sanches Borges, Adriana Claudia Lapria Faria, Rossana Pereira de Almeida, Renata Cristina Silveira Rodrigues
Materials.2022; 15(22): 7905. CrossRef
Effect of the nanofilm-coated zirconia ceramic on resin cement bond strength
Viviane Maria Gonçalves de Figueiredo, Alecsandro de Moura Silva, Marcos Massi, Argemiro Soares da Silva Sobrinho, José Renato Cavalcanti de Queiroz, João Paulo Barros Machado, Renata Falchete do Prado, Lafayette Nogueira Junior
Journal of Dental Research, Dental Clinics, Dental Prospects.2022; 16(3): 170. CrossRef
Change of phase transformation and bond strength of Y-TZP with various hydrofluoric acid etching
Mi-Kyung Yu, Eun-Jin Oh, Myung-Jin Lim, Kwang-Won Lee
Restorative Dentistry & Endodontics.2021;[Epub] CrossRef
Changes in Bond Strength and Topography for Y-TZP Etched with Hydrofluoric Acid Depending on Concentration and Temperature Conditions
Hyo-Eun Kim, Myung-Jin Lim, Mi-Kyung Yu, Kwang-Won Lee
Medicina.2020; 56(11): 568. CrossRef
Do different sintering conditions influence bond strength between the resin cements and a currently used esthetic zirconia?
Fatma Ayse Sanal, Hamiyet Kilinc
Journal of Adhesion Science and Technology.2020; 34(16): 1809. CrossRef

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Isthmuses, accessory canals, and the direction of root curvature in permanent mandibular first molars: an in vivo computed tomography study: Aria Chuppani Dastgerdi, Manizheh Navabi, Vahid Rakhshan; Restor Dent Endod 2020;45(1):e7. Published online December 12, 2019; DOI: https://doi.org/10.5395/rde.2020.45.e7

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Objectives

This study was performed to assess the anatomy of mandibular first molars.

Materials and Methods

In this in vivo study, cone-beam computed tomography (CBCT) volumes of 312 bilateral intact first mandibular molars from 156 patients (79 men and 77 women; average age, 35.6 ± 11.2 years) were investigated in terms of the direction of each canal's curvature in the buccolingual and mesiodistal dimensions (direction of the position of the apex in relation to the longitudinal axis of the root), the presence of an isthmus (a narrow, ribbon-shaped communication between 2 root canals) in 3 segments (0–2, 2–4, and 4–6 mm) from the apex), and the presence and number of accessory canals (smaller canals besides the main root canals, connecting the pulp to the periodontium). Data were analyzed statistically (α = 0.05).

Results

Mesiolingual canals were mostly buccally and distally inclined, while mesiobuccal and distolingual canals were mostly distally curved. Isthmuses were more common in younger patients (χ² test, p < 0.05). The average numbers of accessory canals in the apical, middle, and coronal segments were 9.9 ± 4.2, 6.9 ± 2.9, and 9.3 ± 3.0 canals per segment, respectively (analysis of variance, p < 0.001). Age and sex were not associated with the number of accessory canals (p > 0.05).

Conclusions

The complex anatomy of these teeth deserves attention during non-surgical or surgical endodontic treatment. Around the apex, isthmuses might be more prevalent in younger and female individuals.

Citations

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Micro-CT and histological examination of accessory canals in 34 equine cheek teeth
Szabolcs A. Korsós, Carsten Staszyk, Matthieu Boone, Iván Josipovic, Jörg Vogelsberg, Lieven Vlaminck
Frontiers in Veterinary Science.2024;[Epub] CrossRef
Diagnostic value of cone beam computed tomography for root canal morphology assessment – a micro-CT based comparison
Mariana Pires, Jorge N.R. Martins, Mário Rito Pereira, Isabel Vasconcelos, Rui Pereira da Costa, Isabel Duarte, António Ginjeira
Clinical Oral Investigations.2024;[Epub] CrossRef
Exploring age and gender variations in root canal morphology of maxillary premolars in Saudi sub population: a cross-sectional CBCT study
Mohmed Isaqali Karobari, Azhar Iqbal, Rumesa Batul, Abdul Habeeb Adil, Jamaluddin Syed, Hmoud Ali Algarni, Meshal Aber Alonazi, Tahir Yusuf Noorani
BMC Oral Health.2024;[Epub] CrossRef
Comprehensive analysis of root canal morphology in maxillary premolars among the Pakistani subpopulation: a CBCT-based study
Hmoud Ali Algarni, Meshal Aber Alonazi, Hamza Arshad, Fatima Zahra, Fahad Umer, Irfan Maqbool, Azhar Iqbal, Mohmed Isaqali Karobari
European Journal of Medical Research.2024;[Epub] CrossRef
The efficacy of a novel SWEEPS laser-activated irrigation compared to ultrasonic activation in the removal of pulp tissue from an isthmus area in the apical third of the root canal
Ivona Bago, Adriana Đurin, Debora Kanižaj, Lovorka Batelja Vuletić, Ivana Vidović Zdrilić, Ivica Anić
Lasers in Medical Science.2023;[Epub] CrossRef
Effect of passive ultrasonic irrigation on hard tissue debris removal: a systematic review and meta-analysis
Ana Flávia Almeida Barbosa, Carolina Oliveira de Lima, Luciana Moura Sassone, Raissa Dias Fares, Tatiana Kelly da Silva Fidalgo, Emmanuel João Nogueira Leal Silva
Brazilian Oral Research.2021;[Epub] CrossRef

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Comparative evaluation of the bond strength of self-adhering and bulk-fill flowable composites to MTA Plus, Dycal, Biodentine, and TheraCal: an in vitro study: Aakrati Raina, Asheesh Sawhny, Saurav Paul, Sridevi Nandamuri; Restor Dent Endod 2020;45(1):e10. Published online January 8, 2020; DOI: https://doi.org/10.5395/rde.2020.45.e10

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Objectives

This study aimed to compare the shear bond strength (SBS) of a self-adhering flowable composite (Dyad Flow) and a bulk-fill flowable composite (Smart Dentin Replacement [SDR]) to several pulp-capping materials, including MTA Plus, Dycal, Biodentine, and TheraCal.

Materials and Methods

Eighty acrylic blocks with 2-mm-deep central holes that were 4 mm in diameter were prepared and divided into 2 groups (n = 40 each) according to the composite used (Dyad Flow or SDR). They were further divided into 4 sub-groups (n = 10 each) according to the pulp-capping agent used. SBS was tested using a universal testing machine at a crosshead speed of 1 mm/min. Data were analyzed using 2-way analysis of variance. A p value of < 0.05 was considered to indicate statistical significance.

Results

A statistically significant difference (p = 0.040) was found between Dyad Flow and SDR in terms of bond strength to MTA Plus, Dycal, Biodentine, and TheraCal.

Conclusions

Among the 8 sub-groups, the combination of TheraCal and SDR exhibited the highest SBS.

Citations

Citations to this article as recorded by

Hygroscopic bioactive light-cured composite promoting dentine bridge formation
Yunzi Long, Guibin Huang, Siyi Liu, Liju Xu, Ailing Li, Dong Qiu, Yanmei Dong
Regenerative Biomaterials.2024;[Epub] CrossRef
Comparative evaluation of shear bond strength and modes of failure of five different reinforced glass ionomer restorative cements to TheraCal LC: An in vitro study
Kalyani Gajanan Umale, Vandana Jaykumar Gade, Ambar W. Raut
Journal of Conservative Dentistry and Endodontics.2024; 27(2): 200. CrossRef
Evaluation of the Effect of Chitosan-Based Irrigation Solutions on the Bond Strength of Mineral Trioxide Aggregate to Bulk-Fill Composite
Arzu Şahin Mantı, Bağdagül Helvacıoğlu Kıvanç
Journal of Functional Biomaterials.2024; 15(12): 370. CrossRef
Radiopacity evaluations of the novel calcium-silicate and glass-Ionomer-based materials
Yeşim Şeşen Uslu, Elif Çelebi, Meriç Berkman
Journal of Health Sciences and Medicine.2024; 7(2): 192. CrossRef
Effect of Er Cr YSGG laser etching procedure on the bond strength of different calcium silicate cements
Yesim Sesen Uslu, Hakan Yasin Gönder, Pinar Sesen, Gizem Gunduz Bektaş
Lasers in Dental Science.2024;[Epub] CrossRef
The micro‐shear bond strength of new endodontic tricalcium silicate‐based putty: An in vitro study
Merve Yeniçeri Özata, Seda Falakaloğlu, Gianluca Plotino, Özkan Adıgüzel
Australian Endodontic Journal.2023; 49(1): 124. CrossRef
Analysis of the bond strength between conventional, putty or resin‐modified calcium silicate cement and bulk fill composites
İ Ipek, B Karaağaç Eskibağlar, Ş Yildiz, O Ataş, M Ünal
Australian Dental Journal.2023; 68(4): 265. CrossRef
Effect of Different Adhesive Strategies on the Microshear Bond Strength of Calcium-Silicate-Based Materials
Aliye Tuğçe Gürcan, Soner Şişmanoğlu, Görkem Sengez
Journal of Advanced Oral Research.2022; 13(2): 191. CrossRef
BULK FİLL KOMPOZİT REZİN RESTORATİF MATERYALLER
Merve NEZİR, Suat ÖZCAN
Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi.2022; : 1. CrossRef
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Saba Tohidkhah, Elham Ahmadi, Mahdi Abbasi, Reza Morvaridi Farimani, Ladan Ranjbar Omrani, Victor Feitosa
BioMed Research International.2022;[Epub] CrossRef
Bond Strength of Adhesive Systems to Calcium Silicate-Based Materials: A Systematic Review and Meta-Analysis of In Vitro Studies
Louis Hardan, Davide Mancino, Rim Bourgi, Alejandra Alvarado-Orozco, Laura Emma Rodríguez-Vilchis, Abigailt Flores-Ledesma, Carlos Enrique Cuevas-Suárez, Monika Lukomska-Szymanska, Ammar Eid, Maya-Line Danhache, Maryline Minoux, Youssef Haïkel, Naji Kharo
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Fernanda Ferrari Esteves Torres, Reinhilde Jacobs, Mostafa EzEldeen, Karla de Faria-Vasconcelos, Juliane Maria Guerreiro-Tanomaru, Bernardo Camargo dos Santos, Mário Tanomaru-Filho
Restorative Dentistry & Endodontics.2022;[Epub] CrossRef
Evaluation of Shear Bond Strength of Resin-Based Composites to Biodentine with Three Types of Seventh-Generation Bonding Agents: An In Vitro Study
Huda Abbas Abdullah, Zahraa Abdulaali Al-Ibraheemi, Zanbaq Azeez Hanoon, Julfikar Haider, Boonlert Kukiattrakoon
International Journal of Dentistry.2022; 2022: 1. CrossRef
Evaluation of the Bond Strength of Different Pulp Capping Materials to Dental Adhesive Systems: An In Vitro Study
Sema Yazici Akbiyik, Elif Pınar Bakir, S¸eyhmus Bakir
Journal of Advanced Oral Research.2021; 12(2): 286. CrossRef
Differential Gene Expression Changes in Human Primary Dental Pulp Cells Treated with Biodentine and TheraCal LC Compared to MTA
Ok Hyung Nam, Ho Sun Lee, Jae-Hwan Kim, Yong Kwon Chae, Seoung-Jin Hong, Sang Wook Kang, Hyo-Seol Lee, Sung Chul Choi, Young Kim
Biomedicines.2020; 8(11): 445. CrossRef

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Effect of dental bleaching on the microhardness and surface roughness of sealed composite resins: Renan Aparecido Fernandes, Henrico Badaoui Strazzi-Sahyon, Thaís Yumi Umeda Suzuki, André Luiz Fraga Briso, Paulo Henrique dos Santos; Restor Dent Endod 2020;45(1):e12. Published online January 10, 2020; DOI: https://doi.org/10.5395/rde.2020.45.e12

Abstract PDF PubReader ePub

Objectives

The aim of this in vitro study was to evaluate the microhardness and surface roughness of composite resins before and after tooth bleaching procedures.

Materials and Methods

Sixty specimens were prepared of each composite resin (Filtek Supreme XT and Opallis), and BisCover LV surface sealant was applied to half of the specimens. Thirty enamel samples were obtained from the buccal and lingual surfaces of human molars for use as the control group. The surface roughness and microhardness were measured before and after bleaching procedures with 35% hydrogen peroxide or 16% carbamide (n = 10). Data were analyzed using 1-way analysis of variance and the Fisher test (α = 0.05).

Results

Neither hydrogen peroxide nor carbamide peroxide treatment significantly altered the hardness of the composite resins, regardless of surface sealant application; however, both treatments significantly decreased the hardness of the tooth samples (p < 0.05). The bleaching did not cause any change in surface roughness, with the exception of the unsealed Opallis composite resin and dental enamel, both of which displayed an increase in surface roughness after bleaching with carbamide peroxide (p < 0.05).

Conclusions

The microhardness and surface roughness of enamel and Opallis composite resin were influenced by bleaching procedures.

Citations

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Effect of Bleaching on Surface Roughness and Color Parameters of Coffee-Stained Nanohybrid Dental Composites with Different Viscosities
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Effect of Staining and External Bleaching on the Color Stability and Surface Roughness of Universal-Shade Resin-Based Composite
AlHanouf AlHabdan, Amal Alsuhaibani, Lama Alomran, Lulwah Almutib
Clinical, Cosmetic and Investigational Dentistry.2025; Volume 17: 1. CrossRef
Comparative Analysis Between Strip and Gels Indicated for at Home Bleaching: Analysis of Color Alteration, Roughness and Microhardness of Dental Enamel
K. M. S. Aidar, L. T. A. Cintra, M. C. B. Ferreira, T. C. Fagundes, L. M. B. Esteves, J. Goto, A. Catelan, A. L. F. Briso
Journal of Esthetic and Restorative Dentistry.2025;[Epub] CrossRef
Surface properties and susceptibility to staining of a resin composite after brushing with different whitening toothpastes
Aline da Silva Barros, Carolina Meneghin Barbosa, Renata Siqueira Scatolin, Waldemir Francisco Vieira Junior, Laura Nobre Ferraz
Restorative Dentistry & Endodontics.2025; 50(1): e6. CrossRef
Comparison of Microhardness and Surface Roughness of New Nanofiber Filled Flowable Composite
Rumeysa Hatice ENGINLER OZLEN, Zumrut Ceren OZDUMAN, Burcu OGLAKCI OZKOC, Evrim ELIGUZELOGLU DALKILIC
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María Melo, Bianca Dumitrache, James Ghilotti, José Luis Sanz, Carmen Llena
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Oguz Kaan Tuysuz, Merve Gurses
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Elif İpek KILIÇ DÖNMEZ, İhsan HUBBEZOĞLU
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KG Garcia, GP Nunes, ACB Delbem, PH dos Santos, GLP Fernandes, HF Robles, PBB Lemos, M Danelon
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Sultan Aktuğ Karademir, Samet Atasoy, Beyza Yılmaz
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Leszek Szalewski, Dorota Wójcik, Monika Sowa, Vladyslav Vivcharenko, Krzysztof Pałka
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Cecília Pereira da Silva Braga Tenório, Matheus Kury, Geyse Maria dos Santos Muniz Mota, Cecília Pedroso Turssi, Flávia Lucisano Botelho do Amaral, Vanessa Cavalli
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Case Reports

Fiber-reinforced composite resin bridges: an alternative method to treat root-fractured teeth: Gun Heo, Eun-Hye Lee, Jin-Woo Kim, Kyung-Mo Cho, Se-Hee Park; Restor Dent Endod 2020;45(1):e8. Published online December 27, 2019; DOI: https://doi.org/10.5395/rde.2020.45.e8

Abstract PDF PubReader ePub

The replacement of missing teeth, especially in the anterior region, is an essential part of dental practice. Fiber-reinforced composite resin bridges are a conservative alternative to conventional fixed dental prostheses or implants. It is a minimally invasive, reversible technique that can be completed in a single visit. The two cases presented herein exemplify the treatment of root-fractured anterior teeth with a natural pontic immediately after extraction.

Citations

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Current Evidence on the Fiber-reinforced Composite Bridges
Ramesh Chowdhary, Sunil Kumar Mishra
International Journal of Prosthodontics and Restorative Dentistry.2023; 12(4): 159. CrossRef
Bridging the Gap: A Case Report of Tooth Replacement using Resin-Bonded Fiber- Reinforced Composite Resin
Vineet Sharma, Sumit Bhansali, Sonal Priya Bhansali
Journal of Pierre Fauchard Academy (India Section).2023; : 66. CrossRef
Reconstruction of Natural Smile and Splinting with Natural Tooth Pontic Fiber-Reinforced Composite Bridge
Maryam S. Tavangar, Fatemeh Aghaei, Massoumeh Nowrouzi, Andrea Scribante
Case Reports in Dentistry.2022; 2022: 1. CrossRef

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Functional and aesthetic rehabilitation in posterior tooth with bulk-fill resin composite and occlusal matrix: Luciana Fávaro Francisconi-dos-Rios, Johnny Alexandre Oliveira Tavares, Luanderson Oliveira, Jefferson Chaves Moreira, Flavia Pardo Salata Nahsan; Restor Dent Endod 2020;45(1):e9. Published online January 3, 2020; DOI: https://doi.org/10.5395/rde.2020.45.e9

Abstract PDF PubReader ePub

The restorative procedure in posterior teeth involves clinical steps related to professional skill, especially when using the incremental technique, which may fail in the long term. A recent alternative is bulk-fill resins, which can reduce polymerization shrinkage, decreasing clinical problems such as marginal leakage, secondary caries, and fracture. This scientific study aims to report a clinical case using bulk-fill resin with an occlusal matrix. As determined in the treatment plan, an acrylic resin matrix was produced to establish an improved oral and aesthetic rehabilitation of the right mandibular first molar, which presented a carious lesion with dentin involvement. The occlusal matrix is a simple technique that maintains the original dental anatomy, showing satisfactory results regarding function and aesthetic rehabilitation.

Citations

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Color stability of bulk‐fill compared to conventional resin‐based composites: A scoping review
Gaetano Paolone, Mauro Mandurino, Nicola Scotti, Giuseppe Cantatore, Markus B. Blatz
Journal of Esthetic and Restorative Dentistry.2023; 35(4): 657. CrossRef
Evaluation of Abfraction Lesions Restored with Three Dental Materials: A Comparative Study
Bogdan Constantin Costăchel, Anamaria Bechir, Alexandru Burcea, Laurența Lelia Mihai, Tudor Ionescu, Olivia Andreea Marcu, Edwin Sever Bechir
Clinics and Practice.2023; 13(5): 1043. CrossRef
Aesthetic restoration of posterior teeth using different occlusal matrix techniques
Elsa Reis Carneiro, Anabela Paula, José Saraiva, Ana Coelho, Inês Amaro, Carlos Miguel Marto, Manuel Marques Ferreira, Eunice Carrilho
British Dental Journal.2021; 231(2): 88. CrossRef

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