Abstract
Computer Aided Design/Computer Aided Manufacturing (CAD/CAM) was first introduced to dentistry in the mid-1980s.Both chairside and chair side—laboratory integrated procedures are available for CAD/CAM restoration fabrication. In selecting which procedure to follow, consideration should be given to esthetic demands, chairside time, and laboratory costs, number of visits and convenience and return on investment associated with CAD/CAM equipment. Depending on the method selected, CAD/CAM ceramic blocks available for restoration fabrication include leucite reinforced ceramics, lithium disilicate, zirconia, and composite resin. In order to determine which type of ceramic to use, the practitioner must take into account esthetics, strength, and ease of customizing milled restorations. This article provides an overview of various CAD/CAM systems.
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