Patent ID: 6495072
Filing Date: 2002-12-17
Classification: A61C,A61K,C04B

Abstract:
Method of producing a basis for a dental restoration to be applied at a place of use comprising:(a) providing an underground with a shape corresponding to the place of use; (b) providing a ceramic-based material, said ceramic-based material having a maximum density and surface, said ceramic-based material formed by mixing a ceramic material selected from the group of aluminum oxide, zirconium oxide, and titanium oxide, with a glass component to form a mixture; (c) sintering said mixture of said ceramic material and said glass component whereby said glass component infiltrates said ceramic material and through a reaction at the surface of said ceramic material, acquires raw material of said ceramic material such that the glass is strengthened; and said ceramic material is sintered to a lower density than the maximum density thereof; (d) grinding the sintered mixture into powder form; (e) applying said powder onto said underground; (f) further sintering said powder to provide a basis; (g) machining the basis to the desired dimensions; and (h) repeating steps (f) and (g).