Evaluation of Enamel and Dentinal Microleakage in Class II Silorane-Based and Methacrylate-Based Resin Composite Restorations Using Specific and Nonspecific Adhesives

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Mousavinasab Sayed Mostafa; GHASEMI MAEDEH; YADOLLAHI MITRA

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Journal Paper

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Journal: Frontiers in Dentistry Year:2018 | Volume:15 | Issue:4 Page(s): 240-249

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Title

Evaluation of Enamel and Dentinal Microleakage in Class II Silorane-Based and Methacrylate-Based Resin Composite Restorations Using Specific and Nonspecific Adhesives

Author(s)

Mousavinasab Sayed Mostafa | GHASEMI MAEDEH | YADOLLAHI MITRA | Issue Writer Certificate

Keywords

Silorane Composite Resin

Dental Leakage

Silorane System Adhesives

Polymerization

Abstract

Objectives: The aim of this study was to evaluate enamel and dentinal microleakage in Class II cavities restored with silorane-and methacrylate-based resin composites using specific and nonspecific adhesives. Materials and Methods: Thirty-six caries-free human premolars were used. Two Class II cavities were prepared on each tooth. The gingival floor was set at 1 mm above (on the mesial surface) and at 1 mm below (on the distal surface) the cementoenamel junction (CEJ). The samples were randomly divided into four groups, and the cavities were restored with a methacrylate-based composite (Filtek™ P60) and a silorane-based composite (Filtek™ P90) with specific and nonspecific adhesives. Microleakage was tested using a standardized dye penetration method. All samples were examined under a stereomicroscope, and microleakage scores were statistically analyzed using Kruskal-Wallis and Mann-Whitney-U tests. One sample from each group was examined under a scanning electron microscope (SEM) to determine the bonding area. Results: No significant difference was found between the groups in terms of the enamel microleakage (P=0. 086). There was a significant difference between the groups with regard to dentinal microleakage (P=0. 003). No significant reduction in microleakage was observed in groups restored with Filtek™ P90 composite using its specific adhesive compared to those restored with Filtek™ P60 composite using its specific adhesive (P=0. 626). Conclusions: The results indicated that the application of methacrylate-and silorane-based composites with specific or nonspecific adhesives had no impact on enamel microleakage, but it affected dentinal microleakage, and specific adhesives showed less microleakage. It seems that a phosphate-methacrylate-based intermediate resin is required to bond dimethacrylate adhesive to silorane-based composites.

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APA: Copy

Mousavinasab, Sayed Mostafa, GHASEMI, MAEDEH, & YADOLLAHI, MITRA. (2018). Evaluation of Enamel and Dentinal Microleakage in Class II Silorane-Based and Methacrylate-Based Resin Composite Restorations Using Specific and Nonspecific Adhesives. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), 15(4), 240-249. SID. https://sid.ir/paper/298150/en

Vancouver: Copy

Mousavinasab Sayed Mostafa, GHASEMI MAEDEH, YADOLLAHI MITRA. Evaluation of Enamel and Dentinal Microleakage in Class II Silorane-Based and Methacrylate-Based Resin Composite Restorations Using Specific and Nonspecific Adhesives. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2018;15(4):240-249. Available from: https://sid.ir/paper/298150/en

IEEE: Copy

Sayed Mostafa Mousavinasab, MAEDEH GHASEMI, and MITRA YADOLLAHI, “Evaluation of Enamel and Dentinal Microleakage in Class II Silorane-Based and Methacrylate-Based Resin Composite Restorations Using Specific and Nonspecific Adhesives,” FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), vol. 15, no. 4, pp. 240–249, 2018, [Online]. Available: https://sid.ir/paper/298150/en

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