ZIRCONIA SINTERED BODY ZIRCONIA COMPOSITION AND ZIRCONIA CALCINED BODY PRODUCTION METHOD OF THESE AND DENTAL PROSTHESIS

摘要

A zirconia sintered body having a gradient is provided. A method of manufacturing a zirconia composition includes a process of preparing a plurality of lamination powders containing zirconia, a stabilizer that inhibits the phase transition of zirconia and a pigment, and having different pigment contents, and laminating a plurality of lamination powders in a mold. Lamination process. In the lamination process, after filling at least two lamination powders into a mold, the mold is vibrated.