Abstract
This study aims to evaluate the effect of toothpaste abrasiveness on the surface roughness and gloss of glass-ceramics compared to dental enamel. The study will consist of a 3 x 4 factorial design (n=15), with the factor substrate in 3 levels: Ceramics leucite-reinforced glass-ceramic (LEU); ceramic lithium disilicate - reinforced glass ceramic (DL); and natural enamel (ESM); and the fact…