Prosthodontic Treatment Dental Implants Dental Implants are artificial devices used to replace missing teeth. Implants come in many different sizes and shapes and they are placed into the bone to act as support for a prosthetic crown. These are the most modern method of replacing missing teeth. They are basically substitutes for the natural tooth roots. They are made of Titanium and Zirconia. Read More Dental Crowns Metal Ceramic when the tooth has lost its structural integrity, it will not have the strength to withstand the forces of chewing and biting. It needs to be restored with a crown that covers the tooth completely as well as resembles the original complete structure of the tooth. It provides the strength the tooth needs for its grinding and chopping functions. They are also designed to look like the natural tooth and feel like the natural tooth. conventionally these crowns have been made with metal with a ceramic coating to resemble the tooth.