| 摘要 |
<p>PURPOSE: A dental tool for an implant placement hole is provided to shorten operation time by selecting unevenness and diameter according to the condition of alveolar bone of a patient. CONSTITUTION: A dental tool(30) provides unevenness on an inner boarder of an initial hole for an implant placement hole. A dental tool supporter(10) is attached on the lower end of the dental tool. The diameter of the dental tool is 2 to 7 mm. The dental tool has a plurality of protrusions in the shape of a triangular pyramid or a triangular protrusion.</p> |
