Plant interior mill of nail tongue side

The utility model discloses a plant interior mill of nail tongue side relates to oral cavity NULL field, including frame, drilling motor and drill bit, vertical the sliding in one side that the framewas kept away from to the drill bit is provided with discoid backup pad, corresponds in the backup pad that the drill bit is coaxial has seted up first through -hole, the last coaxial ring rail that is provided with in outer edge of backup pad, and last the sliding of ring rail is connected with the slider, wears to be equipped with the lead screw along the radial screw thread of backup pad face in the slider, and the one end that the slider was kept away from to the lead screw is provided with clamping mechanism, is provided with fixed establishment on the slider. Aim at drill bit with the position that need punch on the false tooth model, along ring rail turning block to suitable position, rethread clamping mechanism presss from both sides tight false tooth model, and with the solid fixed sliding blocks of fixed