REPLACING BUCKET TEETH ON LOADER, ONCE THE PINS WERE REMOVED THE EMPLOYEE USED A SMALL SLEDGE HAMMER TO KNOCK THE TEETH OFF. WHEN HE HIT THE TOOTH A SMALL PIECE OF METAL SPLINTERED FROM THE TOOTH. IT PUNCTURED AND LODGED INTO HIS RIGHT KNEE. THE WOUND WAS CLEANED AND DRESSED WITH A BANDAID. A WEEK LATER THE SITE BECAME PAINFULL AND SWOLLEN. HE WAS GIVEN ANTIBIOTICS.