Zirconia Dental Articles and Methods Thereof

摘要

Described herein are techniques for making a multiplayer zirconia sintered body. The techniques sinter a dental article to form the zirconia sintered body. The dental article includes multiple layers containing dental ceramic materials such as, zirconia oxide particles, yttria, a pigment, etc. In some implementations, the dental article may be partially sintered and coated using an organic material.

主权项

1. A dental article for producing a dental prosthesis, the dental article comprising:
a first layer comprising yttria in an amount of a first weight percentage and zirconia oxide particles; a second layer comprising yttria in an amount of a second weight percentage and the zirconia oxide particles; and a third layer comprising yttria in an amount of a third weight percentage and the zirconia oxide particles, wherein:
the first layer is located below the second layer and the third layer,the second layer is located between the first layer and the third layer, andat least one of the first layer, the second layer, and the third layer comprises a pigment in an amount of a certain weight percentage.