Abstract
This research project aims to evaluate the effect of aging methods on the mechanicaland optical/esthetic properties of the surface of 3D printing resins indicated for"permanent" indirect restorations. Three 3D printing resins will be evaluated in thisstudy: Prizma BioCrown; Smart Print Vitality and Varseo Smile Crown and samples ofthese materials will be prepared in a Photon 3D printer (N…