EMPLOYEE WAS REMOVING A BOLT FROM A PIECE OF EQUIPMENT WHEN THE WRENCH SLIPPED OFF THE BOLT. THE WRENCH HANDLE STRUCK HIS FRONT TEETH; ONE TOOTH WAS BROKEN. HE WAS SENT FOR TREATMENT TO DR. STOKKE, DMD, PC, 116 W 3RD, ANACONDA, MT, WHERE A TEMPORARY CAP WAS PUT ON. HE RETURNED TO WORK AND COMPLETED HIS SHIFT.