| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To allow correct positioning of a drill bit of a drilling device to a non-tooth position of jawbone in a patient, and to facilitate insertion of the drill bit into the patient's mouth without excessive opening of the mouth. <P>SOLUTION: A positioning device of a dental implant has a post and a large number of guides. The post is cylindrical and has a diameter corresponding to a diameter of a hole of a dental model. The guides are attached on the post so as to be detachable and are semi-tubular tabs, each of which has an inner concave face, an inside diameter and an outside diameter. The guides are attached in a concentric circle-like shape mutually. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
