Patent ID: 9439739
Filing Date: 2016-09-13
CPC Classification: A61C

Claim Text:
1. A method of producing a dental restoration, the method comprising the steps of providing a metallic frame having an inner and an outer surface, applying one or more opaque layer(s) on the outer surface of the metallic frame, providing a facing precursor having a volume A, the facing precursor having a 3-dimensional shape, an inner and an outer surface, the inner surface corresponding to a proportionally dimensioned counter-surface of the outer surface of the metallic frame, mating the facing precursor on the outer surface of the metallic frame applied with the opaque layer using a mating composition to obtain a dental restoration intermediate, the mating composition comprising a glass or glass ceramic material and a liquid, firing the dental restoration intermediate to a temperature where the facing precursor sinters to obtain a sintered facing having a volume B, and wherein volume A of the facing precursor is larger than volume B of the sintered facing.