Abstract
ABSTRACT Aim To compare the effects of various levels of acidic pH on surface microhardness of Biodentine.TM Materials and methods Biodentine was mixed and packed into stainless steel molds (diameter = 5 mm and height = 1.5 mm). Four groups of 10 specimens each were formed and exposed to pH: 7.4, 6.4, 5.4 and 4.4 respectively for 4 days. Vickers microhardness was measured for each of the specimens and was measured 4 days after the exposure. Results Data was subjected to one-way ANOVA using Tukey's post hoc test. Group I (control pH = 7.4) showed greatest surface microhardness of 67.5 ± 4.1 HV. The least microhardness of 46.3 ± 5.0 HV was observed for group IV where the specimens were soaked at pH 4.4. A p-value less than 0.05 was considered to be statistically significant. Conclusion Under the limitations of the present study, surface hardness of Biodentine was impaired in the presence of acidic environment. How to cite this article Poplai G, Jadhav SK, Hegde V. Effect of Acidic Environment on the Surface Microhardness of Biodentine„§ƒ| World J Dent 2013;4(2):100-102.
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