Comparative Evaluation of Remineralization Capacity Of Two Commercially Available Toothpaste On The Microhardness Of Bleached Enamel Surface: An In Vitro Study
Journal Title: International Journal of Medical Science and Innovative Research (IJMSIR) - Year 2018, Vol 3, Issue 1
Abstract
Introduction: Bleaching is method of treating tooth discoloration. But it causes some adverse effect like mineral loss from the tooth structure and decreased hardness of the enamel. To overcome this loss of minerals and subsequent microhardness of enamel remineralizing toothpaste are recommended. The aim of the study was to evaluation of remineralization capacity of two commercially avaliable toothpaste on the microhardness of bleached enamel surface. Methodology: Thirty freshly extracted, sound maxillary incisors were selected and their roots were removed. Then, each tooth crown was embedded in self‑cured acrylic resin molds. Specimen were stored in artificial saliva. Initial hardness was measured using vickers microhardness indenter and the teeth are randomly divided into two groups. 22% carbamide peroxide bleaching agent was used to demineralize the teeth and again microhardness was measured. Teeth in group 1(n=15) and group 2(n=15) were treated with Enafix and Sensodyne repair and protect toothpaste for seven days and again microhardness of enamel was measured. Results and Statistical Analysis: Microhardness decreased in both the groups after bleaching application (% change group1 was 2.34% and group2 was 2.27%). Both remineralizing toothpaste significantly increased mineralization (% change group 1 was 2.73% and group 2 was 3.94%). Test was done using ANOVA with Scheffe's post hoc test and p-value <0.05 was considered as statistically significant. However, difference was not significant(P >0.05). Conclusion: Both Sensodyne repair and protect and Enafix toothpaste increases microhardness of bleached enamel but Sensodyne repair and protect is more effective for increasing microhardness.
Authors and Affiliations
Ashutosh Kosada
Keywords
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