| 摘要 |
<p>Disclosed is a tool (1) for lifting maxillary sinus floor comprising a supporting member (3), which is fixed to the jaw bone (2) from the oral cavity side, and a pressing member (5) which is screwed to the supporting member (3) and can press a part of the jaw bone (2) to the maxillary sinus (4) side by rotation. By the pressing member (5), a part of the jaw bone (2) is gradually pressed to the maxillary sinus side and thus the jaw bone (2) is slightly broken and overgrown. By repeating this procedure, the maxillary sinus floor is lifted.</p> |
