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Color compatibility between dental structures and three different types of ceramic systems
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Journal Article
Color compatibility between dental structures and three different types of ceramic systems
2021
Overview
To assess color compatibility between dental structures (human enamel and dentine) and three different types of ceramic systems. Statistically significant differences in lightness were found among all ceramic systems and human dentine (p < 0.001), while no significant differences were registered between enamel and VSHT, T and VEHT. 1 mm dentine showed no statistical differences with VST and VSHT for a* coordinate, while 2 mm dentine showed no significant differences (p > 0.05) with VEHT. Thin samples (1 mm) of dentine and enamel showed significant statistical differences (p < 0.05) for b* coordinate with less translucent materials (NKT, VET and VST). For dentine samples, none of the ceramic materials provided a CE lower than AT. VSHT provided the best CE for 1 mm-thick (CE.sub.00 = 1.7, CE.sub.ab = 1.9) and for 2 mm-thick (CE.sub.00 = 2.3; CE.sub.ab = 2.5) enamel samples. Color coordinates of evaluated esthetic ceramic systems were statistically different from those of human dentine in almost all cases. The evaluated ZrO.sub.2 lithium silicate glass-ceramic (VS), with its two levels of translucency, provided lower CE values with human enamel samples while conventional feldspathic ceramic (NKT) and hybrid ceramic systems (VE) demonstrated a better color compatibility with dentin samples.
Publisher
BioMed Central Ltd
Subject
