Abstract
This study aims to evaluate the in vitro effect of the application of resin based materials on enamel with initial erosion lesions subjected to erosive/abrasive challenge, for the prevention of the progression of erosive lesions. Two factors will be studied: the type of wear (erosion/abrasion) and the type of material applied, on 4 levels (control , pit and fissure sealant , adhesive syst…