Restorative Dentistry & Endodontics

Research Article

Correlation between different methodologies used to evaluate the marginal adaptation of proximal dentin gingival margins elevated using a glass hybrid: Hoda S. Ismail, Brian R. Morrow, Ashraf I. Ali, Rabab El. Mehesen, Franklin Garcia-Godoy, Salah H. Mahmoud; Restor Dent Endod 2022;47(4):e36. Published online September 3, 2022; DOI: https://doi.org/10.5395/rde.2022.47.e36

Objectives

This study aimed to evaluate the effect of aging on the marginal quality of glass hybrid (GH) material used to elevate dentin gingival margins, and to analyze the consistency of the results obtained by 3 in vitro methods.

Materials and Methods

Ten teeth received compound class II cavities with subgingival margins. The dentin gingival margins were elevated with GH, followed by resin composite. The GH/gingival dentin interfaces were examined through digital microscopy, scanning electron microscopy (SEM) using resin replicas, and according to the World Dental Federation (FDI) criteria. After initial evaluations, all teeth were subjected to 10,000 thermal cycles, followed by repeating the same marginal evaluations and energy dispersive spectroscopy (EDS) analysis for the interfacial zone of 2 specimens. Marginal quality was expressed as the percentage of continuous margin at ×200 for microscopic techniques and as the frequency of each score for FDI ranking. Data were analyzed using the paired sample t-test, Wilcoxon signed-rank test, and Pearson and Spearmen correlation coefficients.

Results

None of the testing techniques proved the significance of the aging factor. Moderate and strong significant correlations were found between the testing techniques. The EDS results suggested the presence of an ion-exchange layer along the GH/gingival dentin interface of aged specimens.

Conclusions

The marginal quality of the GH/dentin gingival interface defied aging by thermocycling. The replica SEM and FDI ranking results had stronger correlations with each other than either showed with the digital microscopy results.

Citations

Citations to this article as recorded by

Comparison of the biomechanical effects of the post-core crown, endocrown and inlay crown after deep margin elevation and its clinical significance
Feng Wu, Xiaomin Su, Yue Shi, Juan Bai, Jing Feng, Xilin Sun, Xuanqi Wang, Hongyan Wang, Jiayu Wen, Jie Kang
BMC Oral Health.2024;[Epub] CrossRef
Effect of different restorative systems and aging on marginal adaptation of resin composites to deep proximal margins
Hoda S. Ismail, Ashraf I. Ali
Journal of Esthetic and Restorative Dentistry.2024; 36(2): 346. CrossRef
Elevación de margen profundo, Revisión sistemática
Doris Stefania Abad Cordero, Silvia Alexandra Reinoso Ortiz, Dolores Aracely Cedeño Zambrano, Manuel León Velastegui
Anatomía Digital.2023; 6(4.3): 401. CrossRef

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Review Article

Deep proximal margin rebuilding with direct esthetic restorations: a systematic review of marginal adaptation and bond strength: Hoda S. Ismail, Ashraf I. Ali, Rabab El. Mehesen, Jelena Juloski, Franklin Garcia-Godoy, Salah H. Mahmoud; Restor Dent Endod 2022;47(2):e15. Published online March 4, 2022; DOI: https://doi.org/10.5395/rde.2022.47.e15

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This review aimed to characterize the effect of direct restorative material types and adhesive protocols on marginal adaptation and the bond strength of the interface between the material and the proximal dentin/cementum. An electronic search of 3 databases (the National Library of Medicine [MEDLINE/PubMed], Scopus, and ScienceDirect) was conducted. Studies were included if they evaluated marginal adaptation or bond strength tests for proximal restorations under the cementoenamel junction. Only 16 studies met the inclusion criteria and were included in this review. These studies presented a high degree of heterogeneity in terms of the materials used and the methodologies and evaluation criteria of each test; therefore, only a descriptive analysis could be conducted. The included studies were individually evaluated for the risk of bias following predetermined criteria. To summarize the results of the included studies, the type of restorative material affected the test results, whereas the use of different adhesive protocols had an insignificant effect on the results. It could be concluded that various categories of resin-based composites could be a suitable choice for clinicians to elevate proximal dentin/cementum margins, rather than the open sandwich technique with resin-modified glass ionomers. Despite challenges in bonding to proximal dentin/cementum margins, different adhesive protocols provided comparable outcomes.

Citations

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An In Vitro Evaluation of Novel Bioactive Liner's Effect on Marginal Adaptation of Class II Composite Restorations: A Scanning Electron Microscope Analysis
Girija S Sajjan, Naveena Ponnada, Praveen Dalavai, Madhu Varma Kanumuri, Venkata Karteek Varma Penmatsa, B V Sindhuja
World Journal of Dentistry.2025; 15(9): 749. CrossRef
Effect of Cervical Margin Relocation With Different Injectable Restorative Materials on Fracture Resistance of Molars Received MOD CAD/CAM Onlay Restorations
Basema N. Roshdy, Radwa I. Eltoukhy, Ashraf I. Ali, Salah Hasab Mahmoud
Journal of Esthetic and Restorative Dentistry.2025; 37(6): 1522. CrossRef
Short dentin etching with universal adhesives: effect on bond strength and gingival margin adaptation
Hoda Saleh Ismail, Hanan Ahmed Nabil Soliman
BMC Oral Health.2025;[Epub] CrossRef
Awareness and Practice of Deep Margin Elevation among Dental Practitioners in India: A Cross-Sectional Survey
Mythri Padaru, Preethesh Shetty, Namith Rai, Raksha Bhat
Pesquisa Brasileira em Odontopediatria e Clínica Integrada.2025;[Epub] CrossRef
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
Restorative Dentistry & Endodontics.2025; 50(2): e13. CrossRef
Do irrigation solutions effect bond strength of composite resin to deep margin elevation material? An in-vitro study
Şeref Nur Mutlu, Yasemin Derya Fidancıoğlu, Hatice Büyüközer Özkan, Hayriye Esra Ülker
BMC Oral Health.2025;[Epub] CrossRef
Two-year evaluation of periodontal parameters following deep-margin-elevation and CAD/CAM partial lithium disilicate restorations – a prospective controlled clinical trial
Tim Hausdörfer, Philipp Kanzow, Tina Rödig, Annette Wiegand, Clemens Lechte
Journal of Dentistry.2025; 160: 105901. CrossRef
Effect of different restorative systems and aging on marginal adaptation of resin composites to deep proximal margins
Hoda S. Ismail, Ashraf I. Ali
Journal of Esthetic and Restorative Dentistry.2024; 36(2): 346. CrossRef
Management of subgingival proximal defects
Jagruti Mutalikdesai, K. C. Dhaniba, Supriya Choudhary, Promila Verma, Rhythm Bains
Asian Journal of Oral Health and Allied Sciences.2024; 14: 15. CrossRef
Effect of Deep Margin Elevation on the Pulpal and Periodontal Health of Teeth: A Systematic Review
S Srirama, S Jain, B Arul, K Prabakar, V Natanasabapathy
Operative Dentistry.2024; 49(4): 388. CrossRef
Alternative Direct Restorative Materials for Dental Amalgam: A Concise Review Based on an FDI Policy Statement
Gottfried Schmalz, Falk Schwendicke, Reinhard Hickel, Jeffrey A. Platt
International Dental Journal.2024; 74(4): 661. CrossRef
Comparison of the stress distribution in base materials and thicknesses in composite resin restorations
Min-Kwan Jung, Mi-Jeong Jeon, Jae-Hoon Kim, Sung-Ae Son, Jeong-Kil Park, Deog-Gyu Seo
Heliyon.2024; 10(3): e25040. 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
CLINICAL ASSESSMENT OF THE EFFECTIVENESS OF ESTHETIC RESTORATION OF ANTERIOR TEETH
Lyudmila Tatintsyan, Minas Poghosyan, Armen Shaginyan, Hovhannes Gevorgyan, Biayna Hoveyan, Tatevik Margaryan, Arsen Kupelyan
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Research 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

Abstract PDF PubReader ePub

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

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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
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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
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The effects of a carbonated beverage on the optical properties and microhardness of preheated bulk-fill composite resin restorations
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M. A. Ranjini, V. Geetha, B. Vedavathi, H. K. Ashok, Akshata J. Airsang, S. Swathi
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Mahmoud Elkady, Safaa Abdelhakim, Mona Riad
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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
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Ghalia Akyle, Hassan Achour
Cureus.2024;[Epub] CrossRef
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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
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Jay Bhopatkar, Anuja Ikhar, Manoj Chandak, Aditya Patel, Paridhi Agrawal
Cureus.2023;[Epub] CrossRef
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Jhonn Luis Bernaldo-Faustino, Julissa Amparo Dulanto-Vargas, Kilder Maynor Carranza-Samanez, Carlos A. Munoz-Viveros
International Journal of Dentistry.2023; 2023: 1. CrossRef
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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
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Polymers.2022; 14(13): 2686. CrossRef
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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
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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

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Influence of Proximal-Cervical Undermined Enamel Areas on Marginal Quality and Enamel Integrity of Laboratory and CAD/CAM Ceramic Inlays and Partial Crowns
Roland Frankenberger, Katharina Friedrich, Marie-Christine Dudek, Julia Winter, Norbert Krämer, Matthias J. Roggendorf
Journal of Functional Biomaterials.2025; 16(3): 82. CrossRef
Improving Bonding Protocols: The Effect of Selective Dentin Etching with Two Different Universal Adhesives—An In Vitro Study
Sandro Ferreira, Tiago Rodrigues, Mariana Nunes, Ana Mano Azul, José João Mendes, Ana Filipa Chasqueira, Joana Costa
Polymers.2025; 17(9): 1215. CrossRef
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
Restorative Dentistry & Endodontics.2025; 50(2): e13. CrossRef
Tooth-composite bond failure with a universal and an etch-and-rinse adhesive depending on mode and frequency of application
Ellen Schulz-Kornas, Mathilde Tittel, Hartmut Schneider, Maximilian Bemmann, Marco Pellino, Tobias Meissner, Florian Fuchs, Christian Hannig, Florian Tetschke, Kyung-Jin Park, Michaela Strumpski, Rainer Haak
Dental Materials.2024; 40(2): 359. CrossRef
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Kiran Javed, Nouman Noor, Muhammad Zubair Nasir, Manzoor Ahmed Manzoor
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Deep proximal margin rebuilding with direct esthetic restorations: a systematic review of marginal adaptation and bond strength
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Helder Callegaro Velho, Eduardo Trindade Dalence, Pablo Soares Machado, Marília Pivetta Rippe, Jovito Adiel Skupien, Vinícius Felipe Wandscher
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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

Abstract PDF PubReader ePub

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.

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