Abstract
The aim of this in vitro study will be evaluate at-home bleaching effect containing different thickeners on color change and surface hardness of dental enamel. Seventy enamel blocks will be obtained from bovine teeth (5 x 5 x 3mm) and randomly distributed into 7 groups according as whitener/thickener treatment: Carbamide Peroxide 10% (10% CP) with carbopol (FGM- Whiteness Perfect), 10% CP…