Abstract
The objective of this study will be to evaluate the impact of the erosive challenge on the surface of three resins composed of different monomer and filler compositions (Filtek Universal Restorative, IPS Empress Direct and Admira Fusion). For this purpose, 30 specimens will be made, 10 for each composite resin, with dimensions of 6 mm height X 6 mm width X 1 mm thickness. The composite re…