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Determination of Microhardness of Remineralized Bleached Surface Subjected to Erosion-An In Vitro Study
Shashidhar Chandrashekhar1, Dinesh Rao2, Shivashankar S Mithare3
1Department of Conservative dentistry and Endodontics, Pacific Dental College and Hospital, Pacific Academy of Higher Education and Research University, Debari, Udaipur, Rajasthan, India.
Objectives:
The aim of this study is to evaluate the microhardness of remineralized bleached surface subjected to erosion.
Materials And Methods:
Fifteen samples were divided into three groups and subjected to bleaching and erosion treatment. Group I-treated with 30% hydrogen peroxide then treated with 1% citric acid solution; group II-treated with 30% hydrogen peroxide and a remineralizing agent followed by 1% citric acid solution; group III-without bleaching with 1% citric acid solution. Five samples per group, GI, GII, and GIII were subjected to the Vickers microhardness analysis. Loss of surface hardness loss (% SHL) was analyzed followed by one-way ANOVA test, post hoc multiple comparison test, Bonferroni test to compare the various group.
Result:
Group II showed the lowest % SHL after the erosive phase when compared with group I.
Conclusion:
Erosion which usually occurs as a consequence of bleaching can be minimized by the application of remineralizing agents after bleaching.
How To Cite This Article:
Chandrashekhar S, Mithare SS, Bharath M, et al. Determination of Microhardness of Remineralized Bleached Surface Subjected to Erosion-An In Vitro Study. Int J Clin Pediatr Dent 2023;16(1):97-100.
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