Dental crowns are for damaged or root canalled tooth that cannot be restore with filling. A bridge consists of a few crowns and is a solution for replacing a missing tooth. It is an alternative solution to implant. Crowns and bridges are made of Porcelain Fused to Metal (PFM), Porcelain Fused to Gold (Captek®), or just Gold. Pure Porcelain crown and bridge is for the optimal cosmetic desiring patients.