Positioning drill bit for oral implantation

The positioning drill bit comprises a drill bit body and a tooth grinding clamp, the drill bit body comprises a drill rod and a pointed end, the drill rod is provided with threads, the drill rod is connected with the pointed end through the threads, a drill rod sleeve is fixedly arranged in the middle of the tooth grinding clamp, the drill rod sleeve is in rotating fit with the drill rod through the threads, and a plurality of springs are arranged in the tooth grinding clamp. And the spring controls the molar clamp to clamp the molar. Elastic corrugated sheets are arranged on two inner sides of the lower end of the molar clip. The number of the springs is four, and the four springs are located on the two sides of the drill rod sleeve and symmetrically distributed. The diameter of the round face end of the tip is larger than that of the drill rod. When a hole needs to be drilled in the jaw bone, the molar clamps are used for clamping molar teeth on the two sides of the planting area, and drilling can be starte