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Volume 43 (2); May 2018
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Open Lecture on Statistics
Statistical notes for clinical researchers: simple linear regression 1 – basic concepts
Hae-Young Kim
Restor Dent Endod 2018;43(2):e21.   Published online April 12, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e21
PDFPubReaderePub

Citations

Citations to this article as recorded by  
  • Influence of the radius of Monson’s sphere and excursive occlusal contacts on masticatory function of dentate subjects
    Dominique Ellen Carneiro, Luiz Ricardo Marafigo Zander, Carolina Ruppel, Giancarlo De La Torre Canales, Rubén Auccaise-Estrada, Alfonso Sánchez-Ayala
    Archives of Oral Biology.2024; 159: 105879.     CrossRef
  • Exploring the Perceived Difficulty and Importance of Lower Limb Physical Activities for People With and Without Osteoarthritis: A Discrete Choice Experiment
    Andrés Pierobon, Will Taylor, Richard Siegert, Robin Willink, Kim Bennell, Kelli Allen, Jackie Whittaker, Jake Pearson, Marrissa Norton, Jane Clark, Hilal Ata Tay, Dieuwke Schiphof, Ben Darlow
    Musculoskeletal Care.2024;[Epub]     CrossRef
  • Statistical notes for clinical researchers: simple linear regression 3 – residual analysis
    Hae-Young Kim
    Restorative Dentistry & Endodontics.2019;[Epub]     CrossRef
  • Statistical notes for clinical researchers: simple linear regression 2 – evaluation of regression line
    Hae-Young Kim
    Restorative Dentistry & Endodontics.2018;[Epub]     CrossRef
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  • 4 Crossref
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Research Articles
Effect of smear layer deproteinization on bonding of self-etch adhesives to dentin: a systematic review and meta-analysis
Khaldoan H. Alshaikh, Hamdi H. H. Hamama, Salah H. Mahmoud
Restor Dent Endod 2018;43(2):e14.   Published online March 6, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e14
AbstractAbstract PDFPubReaderePub
Objectives

The aim of this systematic review was to critically analyze previously published studies of the effects of dentin surface pretreatment with deproteinizing agents on the bonding of self-etch (SE) adhesives to dentin. Additionally, a meta-analysis was conducted to quantify the effects of the above-mentioned surface pretreatment methods on the bonding of SE adhesives to dentin.

Materials and Methods

An electronic search was performed using the following databases: Scopus, PubMed and ScienceDirect. The online search was performed using the following keywords: ‘dentin’ or ‘hypochlorous acid’ or ‘sodium hypochlorite’ and ‘self-etch adhesive.’ The following categories were excluded during the assessment process: non-English articles, randomized clinical trials, case reports, animal studies, and review articles. The reviewed studies were subjected to meta-analysis to quantify the effect of the application time and concentration of sodium hypochlorite (NaOCl) and hypochlorous acid (HOCl) deproteinizing agents on bonding to dentin.

Results

Only 9 laboratory studies fit the inclusion criteria of this systematic review. The results of the meta-analysis revealed that the pooled average microtensile bond strength values to dentin pre-treated with deproteinizing agents (15.71 MPa) was significantly lower than those of the non-treated control group (20.94 MPa).

Conclusions

In light of the currently available scientific evidence, dentin surface pretreatment with deproteinizing agents does not enhance the bonding of SE adhesives to dentin. The HOCl deproteinizing agent exhibited minimal adverse effects on bonding to dentin in comparison with NaOCl solutions.

Citations

Citations to this article as recorded by  
  • Evaluating the remnants of Al 2 O 3 particles on different dentine substrate after sandblasting and various cleaning protocols
    Faeze Hamze, Khotan Aflatoonian, Mahshid Mohammadibassir, Mohammad-Bagher Rezvani
    Journal of Adhesion Science and Technology.2024; : 1.     CrossRef
  • A comparison of different cleaning approaches for blood contamination after curing universal adhesives on the dentine surface
    Ting Liu, Haifeng Xie, Chen Chen
    Dental Materials.2024; 40(11): 1786.     CrossRef
  • Effect of fiber-reinforced direct restorative materials on the fracture resistance of endodontically treated mandibular molars restored with a conservative endodontic cavity design
    Merve Nezir, Beyza Arslandaş Dinçtürk, Ceyda Sarı, Cemile Kedici Alp, Hanife Altınışık
    Clinical Oral Investigations.2024;[Epub]     CrossRef
  • Effect of the use of bromelain associated with bioactive glass-ceramic on dentin/adhesive interface
    Rocio Geng Vivanco, Ana Beatriz Silva Sousa, Viviane de de Cássia Oliveira, Mário Alexandre Coelho Sinhoreti, Fernanda de Carvalho Panzeri Pires-de-Souza
    Clinical Oral Investigations.2024;[Epub]     CrossRef
  • Experimental and Chitosan-Infused Adhesive with Dentin Pretreated with Femtosecond Laser, Methylene Blue-Activated Low-Level Laser, and Phosphoric Acid
    Fahad Alkhudhairy
    Photobiomodulation, Photomedicine, and Laser Surgery.2024; 42(10): 634.     CrossRef
  • Evaluation of Effective Bond Strength of Composite Resin to Etched Dentin after Dentin Pretreatment: An In-vitro Study
    Muhammed Bilal, Shiraz Pasha, Arathi S. Nair
    Journal of the Scientific Society.2024; 51(4): 545.     CrossRef
  • Comparison of Different Dentin Deproteinizing Agents on Bond Strength and Microleakage of Universal Adhesive to Dentin
    Fatih Bedir, Gül Yıldız Telatar
    Journal of Advanced Oral Research.2023; 14(1): 44.     CrossRef
  • Addition of metal chlorides to a HOCl conditioner can enhance bond strength to smear layer deproteinized dentin
    Kittisak Sanon, Antonin Tichy, Takashi Hatayama, Ornnicha Thanatvarakorn, Taweesak Prasansuttiporn, Takahiro Wada, Yasushi Shimada, Keiichi Hosaka, Masatoshi Nakajima
    Dental Materials.2022; 38(8): 1235.     CrossRef
  • Internal and Marginal Adaptation of Adhesive Resin Cements Used for Luting Inlay Restorations: An In Vitro Micro-CT Study
    Linah M. Ashy, Hanadi Marghalani
    Materials.2022; 15(17): 6161.     CrossRef
  • Collagen-depletion strategies in dentin as alternatives to the hybrid layer concept and their effect on bond strength: a systematic review
    António H. S. Delgado, Madalena Belmar Da Costa, Mário Cruz Polido, Ana Mano Azul, Salvatore Sauro
    Scientific Reports.2022;[Epub]     CrossRef
  • NaOCl Application after Acid Etching and Retention of Cervical Restorations: A 3-Year Randomized Clinical Trial
    M Favetti, T Schroeder, AF Montagner, RR Moraes, T Pereira-Cenci, MS Cenci
    Operative Dentistry.2022; 47(3): 268.     CrossRef
  • Resin infiltrant protects deproteinized dentin against erosive and abrasive wear
    Ana Theresa Queiroz de Albuquerque, Bruna Oliveira Bezerra, Isabelly de Carvalho Leal, Maria Denise Rodrigues de Moraes, Mary Anne S. Melo, Vanara Florêncio Passos
    Restorative Dentistry & Endodontics.2022;[Epub]     CrossRef
  • Bis[2-(Methacryloyloxy) Ethyl] Phosphate as a Primer for Enamel and Dentine
    R. Alkattan, G. Koller, S. Banerji, S. Deb
    Journal of Dental Research.2021; 100(10): 1081.     CrossRef
  • Influence of Dentine Pre-Treatment by Sandblasting with Aluminum Oxide in Adhesive Restorations. An In Vitro Study
    Bruna Sinjari, Manlio Santilli, Gianmaria D’Addazio, Imena Rexhepi, Alessia Gigante, Sergio Caputi, Tonino Traini
    Materials.2020; 13(13): 3026.     CrossRef
  • A novel prime-&-rinse mode using MDP and MMPs inhibitors improves the dentin bond durability of self-etch adhesive
    Jingqiu Xu, Mingxing Li, Wenting Wang, Zhifang Wu, Chaoyang Wang, Xiaoting Jin, Ling Zhang, Wenxiang Jiang, Baiping Fu
    Journal of the Mechanical Behavior of Biomedical Materials.2020; 104: 103698.     CrossRef
  • The effects of deproteinization and primer treatment on microtensile bond strength of self-adhesive resin cement to dentin
    In-Hye Bae, Sung-Ae Son, Jeong-Kil Park
    Korean Journal of Dental Materials.2019; 46(2): 99.     CrossRef
  • Effect of Papain and Bromelain Enzymes on Shear Bond Strength of Composite to Superficial Dentin in Different Adhesive Systems
    Farahnaz Sharafeddin, Mina Safari
    The Journal of Contemporary Dental Practice.2019; 20(9): 1077.     CrossRef
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Comparison of the shaping ability of novel thermally treated reciprocating instruments
Cangül Keskin, Murat Demiral, Evren Sarıyılmaz
Restor Dent Endod 2018;43(2):e15.   Published online March 3, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e15
AbstractAbstract PDFPubReaderePub
Objectives

The present study aimed to evaluate the shaping ability of 2 thermally treated nickel-titanium reciprocating systems in simulated curved canals.

Materials and Methods

Forty simulated canals were prepared to apical size 25 using Reciproc Blue R25 (VDW) and WaveOne Gold Primary (Dentsply Sirona) instruments. Standard pre- and post-preparation images were taken and superimposed. The removal of resin material was measured at 5 standard points: the canal orifice, halfway between the canal orifice and the beginning of the curve, the beginning of the curve, the apex of the curve, and the end-point of the simulated canal. The data were analysed using the independent sample t-test with a 5% significance threshold.

Results

The canals in which Reciproc Blue R25 was used showed a significantly greater widening than those in which WaveOne Gold was used at 4 of the 5 measurement points (p < 0.05). The Reciproc Blue R25 instrument removed significantly more resin from the inner aspect of the curve at 2 of the 5 points and similar amounts at the remaining 3 points. At the 2 apical points, there was no significant difference between the Reciproc Blue R25 and WaveOne Gold Primary instruments.

Conclusion

Both instruments respected the original canal anatomy; however, WaveOne Gold resulted in a more conservative shape with less transportation.

Citations

Citations to this article as recorded by  
  • Comparison of four different file systems in terms of transportation in S-shaped canals and apically extruded debris
    Mustafa Alrahhal, Fatma Tunç
    Journal of Oral Science.2024; 66(4): 226.     CrossRef
  • Assessment of Debris Extrusion in Curved Canals: An In Vitro Analysis of Various Single‐File Endodontic Instrumentation Systems
    Muhammad Zubair Ahmad, Boonlert Kukiattrakoon
    International Journal of Dentistry.2024;[Epub]     CrossRef
  • Shaping ability of rotary and reciprocating single-file systems in combination with and without different glide path techniques in simulated curved canals
    Lu Shi, Yunfei Yang, Jie Wan, Wen Xie, Ruiming Yang, Ying Yao
    Journal of Dental Sciences.2022; 17(4): 1520.     CrossRef
  • An Investigation of the Accuracy and Reproducibility of 3D Printed Transparent Endodontic Blocks
    Martin Smutný, Martin Kopeček, Aleš Bezrouk
    Acta Medica (Hradec Kralove, Czech Republic).2022; 65(2): 59.     CrossRef
  • Shaping Ability of Reciprocating Single-file Systems in Simulated Canals: Reciproc versus Reciproc Blue
    İrem ÇETİNKAYA, Mukadder İnci BAŞER KOLCU
    SDÜ Tıp Fakültesi Dergisi.2021; 28(1): 145.     CrossRef
  • Combination of a new ultrasonic tip with rotary systems for the preparation of flattened root canals
    Karina Ines Medina Carita Tavares, Jáder Camilo Pinto, Airton Oliveira Santos-Junior, Fernanda Ferrari Esteves Torres, Juliane Maria Guerreiro-Tanomaru, Mario Tanomaru-Filho
    Restorative Dentistry & Endodontics.2021;[Epub]     CrossRef
  • Apical extrusion of debris with different rotary and reciprocating single-file endodontic instrumentation systems: a systematic review and meta-analysis protocol
    Muhammad Zubair Ahmad, Durre Sadaf, Marcy McCall MacBain, Ahmed Nabil Mohamed
    BMJ Open.2020; 10(9): e038502.     CrossRef
  • Micro-computed tomographic assessment of the shaping ability of the One Curve, One Shape, and ProTaper Next nickel-titanium rotary systems
    Pelin Tufenkci, Kaan Orhan, Berkan Celikten, Burak Bilecenoglu, Gurkan Gur, Semra Sevimay
    Restorative Dentistry & Endodontics.2020;[Epub]     CrossRef
  • Changes in Geometry and Transportation of Root Canals with Severe Curvature Prepared by Different Heat-treated Nickel-titanium Instruments: A Micro–computed Tomographic Study
    Daniel José Filizola de Oliveira, Graziela Bianchi Leoni, Rafael da Silva Goulart, Manoel Damião de Sousa-Neto, Yara Teresinha Correa Silva Sousa, Ricardo Gariba Silva
    Journal of Endodontics.2019; 45(6): 768.     CrossRef
  • Several factors can affect the root canal transportation of MB2 canals in extracted maxillary first molars
    R. R. Vivan, M. P. Alcalde, E. J de Camargo, V. A. S. Marques, M. V. R. Só, J. A. Duque, M. A. H. Duarte
    International Endodontic Journal.2019; 52(4): 551.     CrossRef
  • Effect of larger apical size on the quality of preparation in curved canals using reciprocating instruments with different heat thermal treatments
    J. A. Duque, R. R. Vivan, M. A. H. Duarte, M. P. Alcalde, V. M. Cruz, M. M. B. Borges, C. M. Bramante
    International Endodontic Journal.2019; 52(11): 1652.     CrossRef
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Anatomical analysis of the resected roots of mandibular first molars after failed non-surgical retreatment
Jiyoung Yoon, Byeong-Hoon Cho, Jihyun Bae, Yonghoon Choi
Restor Dent Endod 2018;43(2):e16.   Published online March 5, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e16
AbstractAbstract PDFPubReaderePub
Objectives

Understanding the reason for an unsuccessful non-surgical endodontic treatment outcome, as well as the complex anatomy of the root canal system, is very important. This study examined the cross-sectional root canal structure of mandibular first molars confirmed to have failed non-surgical root canal treatment using digital images obtained during intentional replantation surgery, as well as the causative factors of the failed conventional endodontic treatments.

Materials and Methods

This study evaluated 115 mandibular first molars. Digital photographic images of the resected surface were taken at the apical 3 mm level and examined. The discolored dentin area around the root canal was investigated by measuring the total surface area, the treated areas as determined by the endodontic filling material, and the discolored dentin area.

Results

Forty 2-rooted teeth showed discolored root dentin in both the mesial and distal roots. Compared to the original filled area, significant expansion of root dentin discoloration was observed. Moreover, the mesial roots were significantly more discolored than the distal roots. Of the 115 molars, 92 had 2 roots. Among the mesial roots of the 2-rooted teeth, 95.7% of the roots had 2 canals and 79.4% had partial/complete isthmuses and/or accessory canals.

Conclusions

Dentin discoloration that was not visible on periapical radiographs and cone-beam computed tomography was frequently found in mandibular first molars that failed endodontic treatment. The complex anatomy of the mesial roots of the mandibular first molars is another reason for the failure of conventional endodontic treatment.

Citations

Citations to this article as recorded by  
  • In vitro evaluation of the sealing ability of combined use of iRoot BP Plus and iRoot SP for root-end filling
    Xu Dong, Qian Xie, Xin Xu
    Clinical Oral Investigations.2023; 27(6): 2969.     CrossRef
  • The Impact of the Preferred Reporting Items for Case Reports in Endodontics (PRICE) 2020 Guidelines on the Reporting of Endodontic Case Reports
    Sofian Youssef, Phillip Tomson, Amir Reza Akbari, Natalie Archer, Fayjel Shah, Jasmeet Heran, Sunmeet Kandhari, Sandeep Pai, Shivakar Mehrotra, Joanna M Batt
    Cureus.2023;[Epub]     CrossRef
  • Clinical diagnostic approach in the treatment of chronic periodontitis in mandibular molars: Clinical cases
    M. A. Postnikov, A. M. Golovachev, S. E. Chigarina, D. N. Kudryashov, I. A. Zakharova, S. A. Burakshaev
    Kuban Scientific Medical Bulletin.2023; 30(5): 100.     CrossRef
  • Evaluation of interorifice distance in permanent mandibular first molar with middle mesial canal in Bengaluru city, Karnataka: A cone-beam computed tomography study
    Shruthika Mahajan, N. Meena, Anithakumari Rangappa, Ali Mohammed Mashood, Chethana Murthy, M. Lokapriya
    Endodontology.2023; 35(2): 100.     CrossRef
  • A comparative study of the effects of gutta‐percha solvents on human osteoblasts and murine fibroblasts
    Gul Ipek Gundogan, Sare Durmus, Gulgun Cansu Ozturk, Nazmi Kucukyesil, Yasin Talat Acar, Rumeysa Balaban, Cenk Kig
    Australian Endodontic Journal.2021; 47(3): 569.     CrossRef
  • Endodontic retreatment of curved root canals using the dual wavelength erbium, chromium:yttrium, scandium, gallium, garnet, and diode 940-nm lasers and the XP-Endoshaper/finisher technique
    Riman Nasher, Ralf-Dieter Hilgers, Norbert Gutknecht
    Lasers in Dental Science.2020; 4(4): 211.     CrossRef
  • Evaluation of gutta-percha removal from the dentinal tubules using different instrumentation techniques with or without solvent: An In vitro study
    MukeshKumar Hasija, Babita Meena, Deepti Wadhwa, KulvinderKaur Wadhwani, Virender Yadav
    Journal of the International Clinical Dental Research Organization.2020; 12(1): 27.     CrossRef
  • 51 View
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  • 7 Crossref
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The effect of continuous application of MDP-containing primer and luting resin cement on bond strength to tribochemical silica-coated Y-TZP
Myung-Jin Lim, Mi-Kyung Yu, Kwang-Won Lee
Restor Dent Endod 2018;43(2):e19.   Published online April 3, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e19
AbstractAbstract PDFPubReaderePub
Objectives

This study investigated the effect of continuous application of 10-methacryloyloxydecyldihydrogen phosphate (MDP)-containing primer and luting resin cement on bond strength to tribochemical silica-coated yttria-stabilized tetragonal zirconia polycrystal (Y-TZP).

Materials and Methods

Forty bovine teeth and Y-TZP specimens were prepared. The dentin specimens were embedded in molds, with one side of the dentin exposed for cementation with the zirconia specimen. The Y-TZP specimen was prepared in the form of a cylinder with a diameter of 3 mm and a height of 10 mm. The bonding surface of the Y-TZP specimen was sandblasted with silica-coated aluminium oxide particles. The forty tribochemical silica-coated Y-TZP specimens were cemented to the bovine dentin (4 groups; n = 10) with either an MDP-free primer or an MDP-containing primer and either an MDP-free resin cement or an MDP-containing resin cement. After a shear bond strength (SBS) test, the data were analyzed using 1-way analysis of variance and the Tukey test (α = 0.05).

Results

The group with MDP-free primer and resin cement showed significantly lower SBS values than the MDP-containing groups (p < 0.05). Among the MDP-containing groups, the group with MDP-containing primer and resin cement showed significantly higher SBS values than the other groups (p < 0.05).

Conclusions

The combination of MDP-containing primer and luting cement following tribochemical silica coating to Y-TZP was the best choice among the alternatives tested in this study.

Citations

Citations to this article as recorded by  
  • The effect of restorative material selection and cementation procedures on the durability of endocrowns in the anterior teeth: an in-vitro study
    Nehal Samra, Manal M Madina, Salwa Abd El-Raof El-Negoly, Lamia Dawood
    BMC Oral Health.2024;[Epub]     CrossRef
  • Effects of primer components of silane and 10-methacryloyloxydecyl dihydrogen phosphate on resin bonding to tribochemical silica-coated highly translucent zirconia
    Fumika Tsuda, Keiichi Yoshida, Takashi Sawase
    Clinical Oral Investigations.2024;[Epub]     CrossRef
  • Zirconia Crowns with Porcelain Veneers for Optimal Esthetics in Children Using CAD/CAM Technology: A Case Report
    P Bakhtiary, P Aref
    Journal of Research in Dental and Maxillofacial Sciences.2022; 7(3): 168.     CrossRef
  • A novel porous silica-zirconia coating for improving bond performance of dental zirconia
    Zhiwei Su, Mingxing Li, Ling Zhang, Chaoyang Wang, Leiqing Zhang, Jingqiu Xu, Baiping Fu
    Journal of Zhejiang University-SCIENCE B.2021; 22(3): 214.     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
  • 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
    Restorative Dentistry & Endodontics.2020;[Epub]     CrossRef
  • Computer-aided Design and Computer-aided Manufacturing Restorations with Minimal Invasive Approaches
    Emine Mustafaoğlu, Özge Ünal, Bora Bağış
    International Journal of Prosthodontics and Restorative Dentistry.2020; 10(1): 39.     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
  • Effects of MDP‑based primers on shear bond strength between resin cement and zirconia
    Xin Yue, Xiaoyan Hou, Jing Gao, Pingping Bao, Jing Shen
    Experimental and Therapeutic Medicine.2019;[Epub]     CrossRef
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Effect of various bleaching treatments on shear bond strength of different universal adhesives and application modes
Fatma Dilsad Oz, Zeynep Bilge Kutuk
Restor Dent Endod 2018;43(2):e20.   Published online April 16, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e20
AbstractAbstract PDFPubReaderePub
Objectives

The aim of this in vitro study was to evaluate the bond strength of 2 universal adhesives used in different application modes to bleached enamel.

Materials and Methods

Extracted 160 sound human incisors were used for the study. Teeth were divided into 4 treatment groups: No treatment, 35% hydrogen peroxide, 16% carbamid peroxide, 7.5% carbamid peroxide. After bleaching treatments, groups were divided into subgroups according to the adhesive systems used and application modes (n = 10): 1) Single Bond Universal, etch and rinse mode; 2) Single Bond Universal, self-etch mode; 3) Gluma Universal, etch and rinse mode; 4) Gluma Universal, self-etch mode. After adhesive procedures nanohybrid composite resin cylinders were bonded to the enamel surfaces. All specimens were subjected to shear bond strength (SBS) test after thermocycling. Data were analyzed using a 3-way analysis of variance (ANOVA) and Tukey post hoc test.

Results

No significant difference were found among bleaching groups (35% hydrogen peroxide, 16% carbamid peroxide, 7.5% carbamid peroxide, and no treatment groups) in the mean SBS values. There was also no difference in SBS values between Single Bond Universal and Gluma Universal at same application modes, whereas self-etch mode showed significantly lower SBS values than etch and rinse mode (p < 0.05).

Conclusions

The bonding performance of the universal adhesives was enhanced with the etch and rinse mode application to bleached enamel and non-bleached enamel.

Citations

Citations to this article as recorded by  
  • Effects of Time-Elapsed Bleaching on the Surface and Mechanical Properties of Dentin Substrate Using Hydrogen Peroxide-Free Nanohydroxyapatite Gel
    Aftab Khan, Abdulaziz AlKhureif, Manal Almutairi, Abrar Nooh, Saeed Hassan, Yasser Alqahtani
    International Journal of Nanomedicine.2024; Volume 19: 10307.     CrossRef
  • Effect of sodium ascorbate on the shear bond strength of orthodontic brackets to bleached enamel using universal dental adhesive
    Saeid Sadeghian, Kamyar Fathpour, Mahshid Biglari
    Dental Research Journal.2023;[Epub]     CrossRef
  • Quantitative Measurements of the Depth of Enamel Demineralization before and after Bleach: An In Vitro Study
    Sara Naim, Gianrico Spagnuolo, Essam Osman, Syed Sarosh Mahdi, Gopi Battineni, Syed Saad B. Qasim, Mariangela Cernera, Hasna Rifai, Nada Jaafar, Elie Maalouf, Carina Mehanna Zogheib, Konstantinos Michalakis
    BioMed Research International.2022;[Epub]     CrossRef
  • DİŞ BEYAZLATMA İŞLEMİNİN LİTYUM DİSİLİKAT SERAMİĞİN BAĞLANMA DAYANIMINA ETKİSİ
    Merve YILDIRAK, Rıfat GÖZNELİ
    Atatürk Üniversitesi Diş Hekimliği Fakültesi Dergisi.2020; : 1.     CrossRef
  • The Effect of Different Bleaching Protocols, Used with and without Sodium Ascorbate, on Bond Strength between Composite and Enamel
    Maroun Ghaleb, Giovanna Orsini, Angelo Putignano, Sarah Dabbagh, Georges Haber, Louis Hardan
    Materials.2020; 13(12): 2710.     CrossRef
  • Influence of phototherapy on adhesive strength and microleakage of bleached enamel bonded to orthodontic brackets: An in-vitro study
    Erum Khan, Ibrahim Alshahrani, Muhammad Abdullah Kamran, Abdulaziz Samran, Ali Alqerban, Saad Abdul Rehman
    Photodiagnosis and Photodynamic Therapy.2019; 25: 344.     CrossRef
  • Effect of Er: YAG Laser on Microtensile Bond Strength of Bleached Dentin to Composite
    Mohsen Rezaei, Elham Aliasghar, Mohammad Bagher Rezvani, Nasim Chiniforush, Zohreh Moradi
    Journal of Lasers in Medical Sciences.2019; 10(2): 117.     CrossRef
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Comparison of light-transmittance in dental tissues and dental composite restorations using incremental layering build-up with varying enamel resin layer thickness
Rodrigo Rocha Maia, Dayane Oliveira, Tracy D'Antonio, Fang Qian, Frederick Skiff
Restor Dent Endod 2018;43(2):e22.   Published online April 16, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e22
AbstractAbstract PDFPubReaderePub
Objectives

To evaluate and compare light-transmittance in dental tissues and dental composite restorations using the incremental double-layer technique with varying layer thickness.

Materials and Methods

B1-colored natural teeth slabs were compared to dental restoration build-ups with A2D and B1E-colored nanofilled, supra-nanofilled, microfilled, and microhybrid composites. The enamel layer varied from 0.3, 0.5, or 1.2 mm thick, and the dentin layer was varied to provide a standardized 3.7 mm overall sample thickness (n = 10). All increments were light-cured to 16 J/cm2 with a multi-wave LED (Valo, Ultradent). Using a spectrophotometer, the samples were irradiated by an RGB laser beam. A voltmeter recorded the light output signal to calculate the light-transmittance through the specimens. The data were analyzed using 1-way analysis of variance followed by the post hoc Tukey's test (p = 0.05).

Results

Mean light-transmittance observed at thicker final layers of enamel were significantly lower than those observed at thinner final layers. Within 1.2 mm final enamel resin layer (FERL) thickness, all composites were similar to the dental tissues, with exception of the nanofilled composite. However, within 0.5 mm FERL thickness, only the supra-nanofilled composite showed no difference from the dental tissues. Within 0.3 mm FERL thickness, none of the composites were similar to the dental tissues.

Conclusions

The supra-nanofilled composite had the most similar light-transmittance pattern when compared to the natural teeth. However, for other composites, thicker FERL have a greater chance to match the light-transmittance of natural dental tissues.

Citations

Citations to this article as recorded by  
  • 3-year randomized clinical trial to evaluate the performance of posterior composite restorations lined with ion-releasing materials
    Basma Ahmed, Ramy Ahmed Wafaie, Hamdi H. Hamama, Salah Hasab Mahmoud
    Scientific Reports.2024;[Epub]     CrossRef
  • Investigation on the Biaxial Flexural Strength of Universal Shade Resin-Based Composites
    Keiko Sakuma, Taku Horie, Takafumi Kishimoto, Mayumi Maesako, Shigetaka Tomoda, Morioki Fujitani, Akimasa Tsujimoto
    Polymers.2024; 16(13): 1853.     CrossRef
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    Imam Akbar Sutejo, Jeehwan Kim, Sinuo Zhang, Chang Woo Gal, Yeong-Jin Choi, Honghyun Park, Hui-suk Yun
    Dental Materials.2023; 39(6): 568.     CrossRef
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    Rafael Melara, Luciana Mendonça, Fábio Herrmann Coelho-de-Souza, Juliana Nunes Rolla, Luciano de Souza Gonçalves
    Restorative Dentistry & Endodontics.2021;[Epub]     CrossRef
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    Jean‐François Roulet, Snigdha Gummadi, Hind S. Hussein, Nader Abdulhameed, Chiayi Shen
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Effect of ultrasonic agitation on push-out bond strength and adaptation of root-end filling materials
Murilo Priori Alcalde, Rodrigo Ricci Vivan, Marina Angélica Marciano, Jussaro Alves Duque, Samuel Lucas Fernandes, Mariana Bailo Rosseto, Marco Antonio Hungaro Duarte
Restor Dent Endod 2018;43(2):e23.   Published online April 27, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e23
AbstractAbstract PDFPubReaderePub
Objectives

This study evaluated the effect of ultrasonic agitation of mineral trioxide aggregate (MTA), calcium silicate-based cement (CSC), and Sealer 26 (S26) on adaptation at the cement/dentin interface and push-out bond strength.

Materials and Methods

Sixty maxillary canines were divided into 6 groups (n = 10): MTA, S26, and CSC, with or without ultrasonic activation (US). After obturation, the apical portions of the teeth were sectioned, and retrograde cavities were prepared and filled with cement by hand condensation. In the US groups, the cement was activated for 60 seconds: 30 seconds in the mesio-distal direction and 30 seconds in the buccal-lingual direction, using a mini Irrisonic insert coupled with the ultrasound transducer. After the materials set, 1.5-mm thick sections were obtained from the apexes. The presence of gaps and the bond between cement and dentin were analyzed using low-vacuum scanning electron microscopy. Push-out bond strength was measured using a universal testing machine.

Results

Ultrasonic agitation increased the interfacial adaptation of the cements. The S26 US group showed a higher adaptation value than MTA (p < 0.05). US improved the push-out bond strength for all the cements (p < 0.05).

Conclusions

The US of retrograde filling cements enhanced the bond to the dentin wall of the root-end filling materials tested.

Citations

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  • Effect of ultrasonic activation on setting time, pH and calcium ion release, solubility, and chemical structure of calcium silicate sealers
    Simone Argenta Scalabrin, Lina Naomi Hashizume, Theodoro Weissheimer, Gabriel Barcelos Só, Jefferson Ricardo Pereira, Milton Carlos Kuga, Ricardo Abreu da Rosa, Marcus Vinicius Reis Só
    Brazilian Dental Journal.2024;[Epub]     CrossRef
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    Nada Omar, Nihal Refaat Kabel, Muhammad Abbass Masoud, Tamer M. Hamdy
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    Pedro Henrique Fiorin de Souza, Airton Oliveira Santos-Junior, Jáder Camilo Pinto, Karina Ines Medina Carita Tavares, Juliane Maria Guerreiro-Tanomaru, Mário Tanomaru-Filho
    Brazilian Dental Journal.2023; 34(5): 29.     CrossRef
  • Effect of Different Mixing Methods on Physicochemical Properties of Mineral Trioxide Aggregate: A Systematic Review
    Amin Salem Milani, Faraz Radmand, Behrad Rahbani, Mahdi Hadilou, Farnaz Haji Abbas Oghli, Fatemeh Salehnia, Milad Baseri, Stefano Pagano
    International Journal of Dentistry.2023; 2023: 1.     CrossRef
  • Micro-CT comparative evaluation of porosity and dentin adaptation of root end filling materials applied with incremental, bulk, and ultrasonic activation techniques
    Berkan Celikten, Aysenur Oncu, Mehrdad Koohnavard, Mert Ocak, Kaan Orhan
    Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine.2022; 236(8): 1209.     CrossRef
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    Isabel Verdum, Igor Abreu de Bem, Pedro Henrique Marks Duarte, Lucas Silveira Machado, Jefferson Ricardo Pereira, Marcus Vinícius Reis Só, Ricardo Abreu da Rosa
    The Journal of Prosthetic Dentistry.2022; 127(2): 295.     CrossRef
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    Fredson Márcio Acris De Carvalho, Yara Teresinha Corrêa Silva-Sousa, Carlos Eduardo Saraiva Miranda, Paulo Henrique Miller Calderon, Ana Flávia Simões Barbosa, Luciana Martins Domingues De Macedo, Fuad Jacob Abi Rached-Junior, Boonlert Kukiattrakoon
    International Journal of Dentistry.2021; 2021: 1.     CrossRef
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    Fernanda Ferrari Esteves Torres, Juliane Maria Guerreiro-Tanomaru, Gisselle Moraima Chavez-Andrade, Jader Camilo Pinto, Fábio Luiz Camargo Villela Berbert, Mario Tanomaru-Filho
    Restorative Dentistry & Endodontics.2020;[Epub]     CrossRef
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    Lauter Eston PELEPENKO, Flávia SAAVEDRA, Gabriela Fernanda BOMBARDA, Brenda Paula Figueiredo de Almeida GOMES, Adriana DE-JESUS-SOARES, Alexandre Augusto ZAIA, Marco Antonio Hungaro DUARTE, Mario TANOMARU-FILHO, Marina Angélica MARCIANO
    Journal of Applied Oral Science.2020;[Epub]     CrossRef
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    Igor Abreu De Bem, Renata Aqel de Oliveira, Theodoro Weissheimer, Carlos Alexandre Souza Bier, Marcus Vinícius Reis Só, Ricardo Abreu da Rosa
    Journal of Endodontics.2020; 46(9): 1302.     CrossRef
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Close layer
Cyclic fatigue resistance, torsional resistance, and metallurgical characteristics of M3 Rotary and M3 Pro Gold NiTi files
Eugenio Pedullà, Fabio Lo Savio, Giusy Rita Maria La Rosa, Gabriele Miccoli, Elena Bruno, Silvia Rapisarda, Seok Woo Chang, Ernesto Rapisarda, Guido La Rosa, Gianluca Gambarini, Luca Testarelli
Restor Dent Endod 2018;43(2):e25.   Published online April 23, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e25
AbstractAbstract PDFPubReaderePub
Objectives

To evaluate the mechanical properties and metallurgical characteristics of the M3 Rotary and M3 Pro Gold files (United Dental).

Materials and Methods

One hundred and sixty new M3 Rotary and M3 Pro Gold files (sizes 20/0.04 and 25/0.04) were used. Torque and angle of rotation at failure (n = 20) were measured according to ISO 3630-1. Cyclic fatigue resistance was tested by measuring the number of cycles to failure in an artificial stainless steel canal (60° angle of curvature and a 5-mm radius). The metallurgical characteristics were investigated by differential scanning calorimetry. Data were analyzed using analysis of variance and the Student-Newman-Keuls test.

Results

Comparing the same size of the 2 different instruments, cyclic fatigue resistance was significantly higher in the M3 Pro Gold files than in the M3 Rotary files (p < 0.001). No significant difference was observed between the files in the maximum torque load, while a significantly higher angular rotation to fracture was observed for M3 Pro Gold (p < 0.05). In the DSC analysis, the M3 Pro Gold files showed one prominent peak on the heating curve and 2 prominent peaks on the cooling curve. In contrast, the M3 Rotary files showed 1 small peak on the heating curve and 1 small peak on the cooling curve.

Conclusions

The M3 Pro Gold files showed greater flexibility and angular rotation than the M3 Rotary files, without decrement of their torque resistance. The superior flexibility of M3 Pro Gold files can be attributed to their martensite phase.

Citations

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    Jorge N. R. Martins, Emmanuel J. N. L. Silva, Duarte Marques, Marco A. Versiani
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    Alessio Zanza, Marco Seracchiani, Rodolfo Reda, Gabriele Miccoli, Luca Testarelli, Dario Di Nardo
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    Suhad Jabbar Hamed Al-Nasrawi, Zuha Ayad Jaber, Nibrass Talib Al-Quraine, Abtesam Imhemed Aljdaimi, Sattar Jabbar Abdul-Zahra Al-Hmedat, Saleh Zidan, Julfikar Haider, Luca Testarelli
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    Gianluca Gambarini, Gabriele Miccoli, Dario Di Nardo, Andrea Del Giudice, Alessandro Mazzoni, Marco Seracchiani, Luca Testarelli
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Close layer
The effect of thermocycling on the degree of conversion and mechanical properties of a microhybrid dental resin composite
Mehrsima Ghavami-Lahiji, Melika Firouzmanesh, Hossein Bagheri, Tahereh S. Jafarzadeh Kashi, Fateme Razazpour, Marjan Behroozibakhsh
Restor Dent Endod 2018;43(2):e26.   Published online April 26, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e26
AbstractAbstract PDFPubReaderePub
Objective

The purpose of this study was to investigate the degree of conversion (DC) and mechanical properties of a microhybrid Filtek Z250 (3M ESPE) resin composite after aging.

Method

The specimens were fabricated using circular molds to investigate Vickers microhardness (Vickers hardness number [VHN]) and DC, and were prepared according to ISO 4049 for flexural strength testing. The initial DC (%) of discs was recorded using attenuated total reflectance-Fourier transforming infrared spectroscopy. The initial VHN of the specimens was measured using a microhardness tester under a load of 300 g for 15 seconds and the flexural strength test was carried out with a universal testing machine (crosshead speed, 0.5 mm/min). The specimens were then subjected to thermocycling in 5°C and 55°C water baths. Properties were assessed after 1,000–10,000 cycles of thermocycling. The surfaces were evaluated using scanning electron microscopy (SEM). Data were analyzed using 1-way analysis of variance followed by the Tukey honest significant difference post hoc test.

Results

Statistical analysis showed that DC tended to increase up to 4,000 cycles, with no significant changes. VHN and flexural strength values significantly decreased upon thermal cycling when compared to baseline (p < 0.05). However, there was no significant difference between initial and post-thermocycling VHN results at 1,000 cycles. SEM images after aging showed deteriorative changes in the resin composite surfaces.

Conclusions

The Z250 microhybrid resin composite showed reduced surface microhardness and flexural strength and increased DC after thermocycling.

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Case Report
Periodontal healing following non-surgical repair of an old perforation with pocket formation and oral communication
Saeed Asgary, Prashant Verma, Ali Nosrat
Restor Dent Endod 2018;43(2):e17.   Published online April 13, 2018
DOI: https://doi.org/10.5395/rde.2018.43.e17
AbstractAbstract PDFPubReaderePub

Iatrogenic perforations negatively impact the outcome of endodontic treatments. Studies on prognostic factors showed that perforations in the coronal third of the root with periodontal pocket formation have an unfavorable prognosis. A 36-year-old female was referred for endodontic evaluation of tooth #13 with a history of an iatrogenic perforation, happened 3 years ago. There was a sinus tract associated with perforation, 10 mm probing on the mesial and mesio-palatal, bleeding on probing, radiolucent lesion adjacent to the perforation and complete resorption of the interdental bone between teeth #13 and #12. After the treatment options were discussed, she chose to save the tooth. The tooth was accessed under rubber dam isolation, the perforation site was cleaned and disinfected using 0.5% sodium hypochlorite and sealed with calcium-enriched mixture cement. Eighteen months after treatment the tooth was functional and asymptomatic. The probing depths were normal without bleeding on probing. Radiographically, the interdental crestal bone formed between teeth #13 and #12. Despite all negative prognostic factors in this case (i.e., perforations in the coronal third, pocket formation, and radiolucent lesion), healing was unexpectedly achieved via non-surgical repair of the perforation. Further research on biological aspects of healing in the periodontium following iatrogenic perforations are recommended.

Citations

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