Restorative Dentistry & Endodontics

Ali A. Elkaffas

2 Articles

The effect of preheating resin composites on surface hardness: a systematic review and meta-analysis: Ali A. Elkaffas, Radwa I. Eltoukhy, Salwa A. Elnegoly, Salah H. Mahmoud; Restor Dent Endod 2019;44(4):e41. Published online October 29, 2019; DOI: https://doi.org/10.5395/rde.2019.44.e41

Objectives

This paper presents a systematic review and meta-analysis of the effect of preheating on the hardness of nanofilled, nanoceramic, nanohybrid, and microhybrid resin composites.

Materials and Methods

An electronic search of papers on MEDLINE/PubMed, ScienceDirect, and EBSCOhost was performed. Only in vitro studies were included. Non-English studies, case reports, clinical trials, and review articles were excluded. A meta-analysis of the reviewed studies was conducted to quantify differences in the microhardness of the Z250 microhybrid resin composite using the Comprehensive Meta-Analysis software.

Results

Only 13 studies met the inclusion criteria for this systematic review. The meta-analysis showed that there were significant differences between the non-preheated and preheated modes for both the top and bottom surfaces of the specimens (p < 0.05). The microhardness of the Z250 resin composite on the top surface in the preheated mode (78.1 ± 2.9) was higher than in the non-preheated mode (67.4 ± 4.0; p < 0.001). Moreover, the microhardness of the Z250 resin composite on the bottom surface in the preheated mode (71.8 ± 3.8) was higher than in the non-preheated mode (57.5 ± 5.7, p < 0.001).

Conclusions

Although the results reported in the reviewed studies showed great variability, sufficient scientific evidence was found to support the hypothesis that preheating can improve the hardness of resin composites.

Citations

Citations to this article as recorded by

Influence of preheating and water storage on the color, whiteness, and translucency of modern resin‐based composites
Corina Mirela Prodan, Cristina Gasparik, Javier Ruiz‐López, Diana Dudea
Journal of Esthetic and Restorative Dentistry.2025; 37(2): 533. CrossRef
Effects of pre-heating on physical–mechanical–chemical properties of contemporary resin composites
Thamires Bueno, Nivien Masoud, Anna Akkus, Italo Silva, Karen McPherson, Adilson Yoshio Furuse, Fabio Rizzante
Odontology.2025; 113(1): 135. CrossRef
Clinical performance of different bulk‐fill composite resin systems in classIIcavities: A 2‐year randomized clinical trial
Badria Goda, Kareem Hamdi, Radwa I. Eltoukhy, Ashraf I. Ali, Salah Hasab Mahmoud
Journal of Esthetic and Restorative Dentistry.2024; 36(8): 1122. CrossRef
Comparative evaluation of microleakage in Class II cavities restored with snowplow technique using flowable or preheated packable bulk-fill composite resin as gingival increment by dye extraction method: An in vitro study
M. A. Ranjini, V. Geetha, B. Vedavathi, H. K. Ashok, Akshata J. Airsang, S. Swathi
Journal of Conservative Dentistry and Endodontics.2024; 27(11): 1158. CrossRef
Influence of Light‐Curing Time and Increment Thickness on the Properties of Bulk Fill Composite Resins With Distinct Application Systems
Carlos Rocha Gomes Torres, Taiana Paola Prado, Daniele Mara da Silva Ávila, Cesar Rogério Pucci, Alessandra Bühler Borges, Heng Bo Jiang
International Journal of Dentistry.2024;[Epub] CrossRef
Last Generation Bis-GMA Free Composite For Indirect Posterior Restorations: A Case Report
M. Delgado
Endodontics Today.2024; 21(4): 305. CrossRef
The clinical performance of dental resin composite repeatedly preheated: A randomized controlled clinical trial
Mahmoud Elkady, Safaa Abdelhakim, Mona Riad
Journal of Dentistry.2024; 144: 104940. CrossRef
Preheating effect on microhardness and depth of cure of three bulk-fill composite resins: An in vitro study
Aashna Sunil Sahetia, Divya Rupesh Jain, Padmaja Panditrao Sirsat, Meenal N. Gulve, Swapnil J. Kolhe, Surbhi P. Patel
Endodontology.2024;[Epub] CrossRef
Evaluation of Shear Bond Strength of Lithium Disilicate Veneers Using Pre-heated Resin Composite With Two Conventional Resin Cements: An In Vitro Study
Ghalia Akyle, Hassan Achour
Cureus.2024;[Epub] CrossRef
Effect of Glass Fiber Reinforcement on Marginal Microleakage in Class II Composite Restorations: An In Vitro Pilot Study
Csaba Dudás, Emánuel Kardos, Melinda Székely, Lea Ádám, Zsuzsanna Bardocz-Veres, Evelyn Szőllősi, Kinga Mária Jánosi, Bernadette Kerekes-Máthé
Dentistry Journal.2024; 12(12): 410. CrossRef
Effect of preheating on the physicochemical properties and bond strength of composite resins utilized as dental cements: An in vitro study
Carolina Carramilo Raposo, Luanna Marinho Sereno Nery, Edilausson Moreno Carvalho, Paulo Vitor Campos Ferreira, Diego Machado Ardenghi, José Bauer, Darlon Martins Lima
The Journal of Prosthetic Dentistry.2023; 129(1): 229.e1. CrossRef
Examining the Impact of Preheating on the Fracture Toughness and Microhardness of Composite Resin: A Systematic Review
Jay Bhopatkar, Anuja Ikhar, Manoj Chandak, Aditya Patel, Paridhi Agrawal
Cureus.2023;[Epub] CrossRef
In Vitro Effect of Mouthrinses on the Microhardness of Three Different Nanohybrid Composite Resins
Jhonn Luis Bernaldo-Faustino, Julissa Amparo Dulanto-Vargas, Kilder Maynor Carranza-Samanez, Carlos A. Munoz-Viveros
International Journal of Dentistry.2023; 2023: 1. CrossRef
Efecto del precalentamiento en la microdureza superficial de seis resinas compuestas
Gloria Cristina Moreno Abello, Kavhas Castro, Paula Alejandra Ovalle Barrera, Paula Bernal, Laura Catalina Lara Hernández
Universitas Odontologica.2023;[Epub] CrossRef
Wear and Color Stability of Preheated Bulk-fill and Conventional Resin Composites
AA Abdulmajeed, AA Suliman, BJ Selivany, A Altitinchi, TA Sulaiman
Operative Dentistry.2022; 47(5): 585. CrossRef
Comparison of Mechanical Properties of a Self-Adhesive Composite Cement and a Heated Composite Material
Anastazja Skapska, Zenon Komorek, Mariusz Cierech, Elzbieta Mierzwinska-Nastalska
Polymers.2022; 14(13): 2686. CrossRef
Effects of ionizing radiation on surface properties of current restorative dental materials
Débora Michelle Gonçalves de Amorim, Aretha Heitor Veríssimo, Anne Kaline Claudino Ribeiro, Rodrigo Othávio de Assunção e Souza, Isauremi Vieira de Assunção, Marilia Regalado Galvão Rabelo Caldas, Boniek Castillo Dutra Borges
Journal of Materials Science: Materials in Medicine.2021;[Epub] CrossRef
Quality assessment tools used in systematic reviews of in vitro studies: A systematic review
Linh Tran, Dao Ngoc Hien Tam, Abdelrahman Elshafay, Thao Dang, Kenji Hirayama, Nguyen Tien Huy
BMC Medical Research Methodology.2021;[Epub] CrossRef
Preheated composite: Innovative approach for aesthetic restoration
Reema N Asani, Vandana J Gade, Kalyani G Umale, Rachana Gawande, Rohit R Amburle, Raksha R Kusumbe, Purva P Kale, Priya R Kosare
Archives of Dental Research.2021; 11(2): 103. CrossRef

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Do universal adhesives promote bonding to dentin? A systematic review and meta-analysis: Ali A. Elkaffas, Hamdi H. H. Hamama, Salah H. Mahmoud; Restor Dent Endod 2018;43(3):e29. Published online June 18, 2018; DOI: https://doi.org/10.5395/rde.2018.43.e29

Abstract PDF PubReader ePub

Objectives

The aims of this study were to conduct a systematic review of the microtensile bond strength (µTBS) of multi-mode adhesives to dentin and to perform a meta-analysis to assess the significance of differences in the µTBS of one of the most commonly used universal adhesives (Scotchbond Universal, 3M ESPE) depending on whether the etch-and-rinse or self-etch mode was used.

Materials and Methods

An electronic search was performed of MEDLINE/PubMed, ScienceDirect, and EBSCOhost. Laboratory studies that evaluated the µTBS of multi-mode adhesives to dentin using either the etch-and-rinse or self-etch mode were selected. A meta-analysis was conducted of the reviewed studies to quantify the differences in the µTBS of Scotchbond Universal adhesive.

Results

Only 10 studies fulfilled the inclusion criteria for the systematic review. Extensive variation was found in the restorative materials, testing methodologies, and failure mode in the reviewed articles. Furthermore, variation was also observed in the dimensions of the microtensile testing beams. The meta-analysis showed no statistically significant difference between the etch-and-rinse and self-etch modes for Scotchbond Universal adhesive (p > 0.05).

Conclusions

Multi-mode ‘universal’ adhesives can achieve substantial bonding to dentin, regardless of the used modes (either etch-and-rinse or self-etch).

Citations

Citations to this article as recorded by

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Roland Frankenberger, Katharina Friedrich, Marie-Christine Dudek, Julia Winter, Norbert Krämer, Matthias J. Roggendorf
Journal of Functional Biomaterials.2025; 16(3): 82. CrossRef
Tooth-composite bond failure with a universal and an etch-and-rinse adhesive depending on mode and frequency of application
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Dental Materials.2024; 40(2): 359. CrossRef
Comparison of postoperative hypersensitivity between Total-etch and Universal adhesive system: a randomized clinical trial
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Scientific Reports.2024;[Epub] CrossRef
Adhesion and sealing of different universal adhesive systems associated with bulk‐fill resins after using endodontic irrigation solutions: An in vitro study
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Evaluation of the effects of combined application of dimethylaminohexadecyl methacrylate and MDP on dentin bonding and antimicrobial properties
Jiadi Shen, Ming Ma, Yun Huang, Haochen Miao, Xin Wei
Journal of Materials Science.2023; 58(31): 12685. CrossRef
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Kevin Sheng-Kai Ma, Li-Tzu Wang, Markus B. Blatz
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