抄録
All-ceramic crowns and restorations have advantages of esthetic character, good biocompatibility and so on. Especially, the application of castable ceramics might bring about the profitable effect to fabricate each functional form of crown or other restorations because it can be applied to the lost wax process which has been used for the metal casting by dentists and dental technicians. However, all-ceramic crowns and restorations fabricated by castable ceramics also have the problems of fracture after each clinical application and limitation of use like the other types of ceramics. These problems and the latest improvement of Olympus Castable Ceramics (O.C.C.), based on our previous studies, are presented in this paper.
