CEREC stands for Ceramic Reconstruction and is a sophisticated system of designing and making high quality, metal-free dental restorations in one patient visit. Developed by Sirona, CEREC utilizes 3D photography and CAD/CAM technology to assist a dentist in designing a virtual restoration (onlay, inlay, crown, or bridge) without taking impressions and, when combined with a milling unit, is able to build the actual restoration while you are still in the chair. The computer sys