| 摘要 |
<p>PURPOSE:To provided a magnetic retainer for implant for a crown bridge which does not generate deviation of an outer cap. CONSTITUTION:This magnetic retainer for implant is formed by screwing a fixture l into a formed cavity bored in the jaw bone, and tightening and connecting a straight post 4 to the upper part of a fixture 1 by a keeper screw 3 which has a headed screw shape consisting of a magnetic stainless steel alloy formed with external screw threads so as to be fitted into internal screw threads 2 bored on the inner side of this fixture 1. A magnet structural body 6 inserted into the outer cap 5 of a crown is placed oh this keeper screw so as to come into tight contact therewith and the outer cap 5 of the crown is fixed by the magnetic attraction force of this magnet structural body 6 and the keeper screw 3.</p> |
