| abstract |
A zirconia sintered body having gradation is provided. A method for producing a zirconia composition includes a step of producing a plurality of laminating powders containing a stabilizer and a pigment for suppressing phase transition of zirconia and zirconia and having different pigment contents, and a plurality of laminating powders are molded. Laminating step of laminating inside. In the laminating step, after the mold is filled with at least two powders for laminating, the mold is vibrated. |