| 摘要 |
PROBLEM TO BE SOLVED: To provide an implant fixture which comprises ceramics and excels in durability and bone connectivity.SOLUTION: An implant fixture 1 includes ceramics which include zirconia, wherein the ratio of monoclinic crystal is 1 vol% or less and the arithmetic mean roughness Ra is in the range of 1-5 μm. In the implant fixture, it is preferred that the content of the zirconia is equal to or higher than 86 mass%. In addition. it is preferred that alumina or yttria is contained therein. Furthermore, it is preferred that the sintered body particle size is equal to or lower than 0.45 μm. |
