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INTRODUCTION: This study was designed to determine the effect of Osteon II mineralized bone powder on the surface microhardness of two retrofilling materials: Mineral trioxide aggregate (MTA) and Biodentine (BD). METHODS AND MATERIALS: test at a significance level of 0.05. RESULTS: <0.001 for MTA). CONCLUSION: Mineralized bone graft materials negatively affect surface microhardness of both MTA and BD. In presence of osteon II, BD had the highest surface microhardness.
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Rahimi et al. (2018) studied this question.