Chapter starts with description about what is cast restoration, advantages and disadvantages of cast restorations, Materials used in cast restorations and basic principles in tooth preparation for cast restoration. Detailed about the types of bevels used in cast restoration its need and function is described. Class I inlay tooth preparation is described, followed by tooth preparation and ensign for class II inlay is explained and also a detailed explanation for cuspal capping procedure is explained. The chapter ends with fabrication of wax inlay pattern, trying in of inlay in mouth and finishing and polishing of inlay restoration.