Patent ID: 7563397
Filing Date: 2009-07-21
Classification: A61C,A61K,B29C,B33Y,Y10T

Abstract:
1. A process for manufacturing a dental restoration comprising: manufacturing a shell by rapid prototyping, wherein the shell is a replica of a coping; wherein the coping is in the shape of denture teeth, a bridge, crown, tooth replacement appliance, denture, post, jacket, inlay, onlay, facing, veneer, facet, splint, partial crown, cylinder, pin, or connector; covering the shell with refractory material; burning out the shell to provide a space in the refractory material; filling the space with ceramic, metal or composite material to form the dental restoration; wherein the ceramic material comprises mullite, silica, spinel, tricalcium phosphate or mixtures thereof; and wherein the metal comprises powder of one or more precious metals, non-precious metals or alloys thereof.