Anti-rotation preparation drill point for dental gauge pile

The utility model relates to the technical field of dental instruments, in particular to an anti-rotation preparation drill point for a dental gauge pile. The drill point comprises a drill point body, the drill point body comprises a rod handle section and a drill bit section, a connecting end used for being installed on a drilling machine is arranged at the front end of the rod handle section, and the drill bit section is of a conical structure with the outer diameter gradually reduced towards the tip end position. The drill rod further comprises a grinding ring, the grinding ring is arranged between the rod handle section and the drill bit section, the outer diameter of the grinding ring is larger than that of the rod handle section and that of the drill bit section, the grinding ring is provided with a bottom grinding face and a ring side grinding face, and the surface of the bottom grinding face and the surface of the ring side grinding face are covered with carborundum layers. The grinding ring plays a r