This creation is related to a kind of Multifunctional drill bit for dental operation, including cutter head, and cutter head is equipped with gradual screw thread, and the bottom end of cutter head connects fitting portion by platform, and the bottom end in fitting portion is equipped with rubber cushion rubber； The bit tip is using tapered cone or flat-headed； The top of the flat-headed cutter head is equipped with groove. Having the beneficial effect that for this creation is easy to operate, reduces implant tooth operation risk, the comfort level during patients surgery more can be improved, and then promote the success rate of artificial dental implant surgical.本創作涉及一種牙科手術用多功能鑽頭，包括刀頭，刀頭上設有漸進式螺紋，刀頭的底端通過平台連接套合部，套合部的底端設有橡皮膠圈；所述刀頭頂端採用漸縮圓錐形或平頭形；所述平頭形刀頭的頂端設有凹槽。本創作的有益效果為：操作簡便，降低人工植牙手術風險，更可提高患者手術過程中的舒適度，進而提升人工植牙手術之成功率。
