| 摘要 |
PURPOSE: A ceramic upper bush for packaging a dental implant fixture is provided to maintain a stable support state and to minimize a contact area a fixture. CONSTITUTION: A ceramic upper bush for packaging a dental implant fixture comprises a case which is sealed by a cover, and an implant fixture which holds the upside of a male screw while being bonded to the top of the case. The ceramic upper bush is formed with an assembly hole which has a diameter capable of passing a body which is formed with a male screw. The inner side of the assembly hole is sintered with ceramics to form a fixing protrusion. The ceramics are one selected from alumina, zirconia, silicon nitride, hydroxyapatite, tricalcium phosphate, and biphasic calcium phosphate. |
