Enamel Integrity Base Morphology and Clarity of Debonded Modern Ceramic Brackets
Volume 7 , Issue 2 , December 2020 , Pages 54-60
Authors
1 Department of Preventive Dentistry, Orthodontics, Pedodontics, College of Dentistry, Mosul University, Mosul, Iraq.
10.17656/sdj.10116
Keywords
Abstract
Objective: To evaluate the effectiveness of base morphology and clarity of modern ceramic orthodontic brackets on adhesion of brackets with enamel surface and enamel surface integrity after debonding.
Methods: The Scan Electron Microscopy (SEM) was used at high magnification 1000x, and the images were taken for a retentive base of three types of ceramic brackets (Pure, Encore, and Reflections). The degree of light transmission was evaluated, and shear bond strength and adhesive remnant index were evaluated.
Results: SEM exhibited differences in surface morphology of retentive base between tested ceramic brackets. Optical Characteristic showed Pure brackets were significant differences with all tested brackets but not significant between them. One-way ANOVA revealed a significant difference at (p < 0.05) in shear bond strength. The reflections and Encore gave the highest bond strength, while the Pure gave the lowest value.
Conclusions: The morphology of the base and clarity of ceramic brackets directly affect the adhesion brackets with enamel surface under the same condition. In addition, the mode of retention plays an important role in the damage of the enamel surface after debonding.
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