Abstract
The objective of this study will be to evaluate the effects of calcium and fluorideions of addition to the formulation of a 35% hydrogen peroxide bleaching gel in its penetration through the tooth structure, whitening efficacy and micro hardness of dental enamel. It will be used 80 bovine incisors, from which will be obtained enamel/dentin discs from the buccal surface, with 6 mm diameter…