| 摘要 |
<p>Tooth implant (1) has conical screw part with multiple thread which, starting from its rounded apical end, becomes progressively wider, as it is attached to a multiple microthread with a smaller lead. The implant can be fastened to a base (9) with post which has a groove (14) on which different pieces can be snapped on. The tooth implant has a hexagonal cross-section with conicality of 0.5[deg] to 0.7[deg]. The micro-thread is connected against its cervical end where it tapers towards the middle. The cervical end has an bevelled edge poining inwards. Th ebase has a connecting part and post iwth groove and is embodied as a casing.</p> |
