Abstract
Objectives: To evaluate the effect of different types of artificial aging on the surface gloss of composite resins. Material and Methods: Sixty cylinder specimens (CS), presenting 6mm in diameter and 1mm thick will be fabricated from each resin composite: Durafil (microparticled), Empress Direct (microhybrid), and Filtek Z350 (nanoparticle). The initial surface gloss reading will be perfo…