Research Article
Analysis of Physical and Mechanical Properties of Universal Composites under Different Types of Polishing before and after Acid Challenge
Table 6
Mean values (standard deviation) of Knoop microhardness of the composite resin’s specimens according to the brands at different times.
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Note: Means followed by the same capital letter in the column and lowercase in the row do not differ at 5% significance level () by Tukey’s test. |