Scan Electron Microscope Evaluation of Marginal Adaptation of Alkasite, Bulk-fil Resin Composite, Resin Modified Glass Ionomer, and High Viscosity Glass Ionomer Restorative Materials

Document Type : Original Article

Authors

1 Department of Operative Dentistry, Faculty of Dentistry, Mansoura University, Mansoura, Egypt.

2 Department of Biomaterials Dentistry, Faculty of Dentistry, Mansoura University, Mansoura, Egypt.

Abstract

Objective: The aim of this study was to evaluate and compare the marginal adap‌tation of class V cavities restored with Alkasite, Bulk-fil Resin Composite (BFRC), resin-modified glass ionomer (RMGI), and conventional high viscosity glass ionomer (HVGI) restorative materials. Materials and Methods: Fifty Class V cavities (2 mm deep, 3 mm in width, and 3 mm in height) were prepared in sound extracted human molar teeth, where the coronal margins were in enamel while the cervical margins were at CEJ. Four different restorative materials were tested (n = 10): Alkasite (Cention), BFRC (Tetric N ceram Bulkfil), RMGI (Fuji II LC), and HVGI (Equia Forte). The teeth were evaluated for their marginal adaptation with SEM after thermocycling. Results: One Way ANOVA test was used to compare among all the restorative materials and showed significant differences. Student t test was used to compare between enamel and dentin margins showing significant differences for all groups. Conclusion: Alkasite-based restorative material had the ability to ensure tooth/restoration seal and preserve margin integrity.

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Egyptian Dental Journal
Volume 68, Issue 2 - Serial Number 5
Conservative Dentistry and Endodontics
April 2022
Pages 1859-1866

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