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Purpose
Color‐masking ability of zirconia ceramics as coping materials has not been clearly understood in zirconia‐based restorations. This in vitro study aimed to evaluate the effect of zirconia ceramic thickness on its masking ability, and to define a thickness cutoff for the tested ceramic.
Materials and Methods
Ninety zirconia disc specimens, in nine thickness groups including 0.4, 0.6, 0.8,...
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