| abstract |
The invention discloses a whisker reinforced zirconia abutment, which comprises a zirconia abutment body with an integral structure, wherein the center of the zirconia abutment body is provided with a longitudinally through inner hole, the zirconia abutment body sequentially comprises a repairing section, a gingival penetrating section and a connecting section from top to bottom, the zirconia abutment body is made of whisker reinforced zirconia, the raw materials of the whisker reinforced zirconia comprise main materials and additives, the main materials comprise 80-99% of zirconia and 1-20% of whiskers in percentage by mass, and the additives comprise the following components in percentage by weight of whiskers: 0.1 to 1 percent of superfine nano alumina powder and 0 to 0.1 percent of superfine nano silica powder. The invention makes the crystal whisker distributed in the crystal whisker reinforced zirconia material in directional distribution and/or dispersion distribution by the 3D colloidal layered forming process guided by the pulse electric field, improves the strength and the fracture toughness of the zirconia base station, and gives consideration to biocompatibility, bioactivity and aesthetic property. |