CAD/CAM systems (computer aided design/computer aided manufacturing) has been used in dentistry since 1985. In the past 30 years, development of various high quality chairside and laboratory CAD/CAM systems has been continued with the progress of technology. Especially the improvements of CAD/CAM systems lets the practitioners choose different restorative materials than the conventional ones, place chairside restorations and also descrease the laboratory procedures. This article describes currently used CAD/CAM systems and materials.