Abstract
The aim of this in situ study was to evaluate if the association of microabrasion enamel with dental bleaching causes damage to microabrasioned enamel properties, through the surface roughness, hardness of dental enamel and scanning electron microscopy tests. The factors under study were: procedure on 5 levels: control, microabrasion (Opalustre - Ultradent Products Inc. Utah, USA), dental…