ZIRCONIA COMPOSITION, ZIRCONIA CALCINED BODY, ZIRCONIA SINTERED BODY, AND DENTAL PRODUCT

摘要

Provided are a zirconia composition, a zirconia calcined body, a zirconia sintered body, and dental products with minimized defects and varying transparency. The zirconia sintered body comprises 4 to 7 mol% of yttria as a stabilizer. The zirconia sintered body includes a light blocking material. The zirconia sintered body has a first area, and a second area with a higher content rate of the light blocking material than the first area. The difference in the content rate of yttria in the first area and the content rate of yttria in the second area is 1 mol% or less.