EE WAS CUT ON FACE BY FLYING METAL CHIP. HE WAS REPLACING TOOTH WHEN HE HIT THE TOOTH WITH A 20#HAMMER TO TIGHTEN IT SO HE COULD GET THE LOCKING WEDGE IN. A PIECE OF METAL CAME OFF AND STRUCK THE RIGHT SIDE OF HIS FACE ON THE CHEEK BONE. A SLIVER 1 1/4"" LONG EMBEDDED IN HIS CHEEK. HE WAS INSPECTING THE WOUND WHEN HE NOTICED THE METAL WAS STILL THERE. E.R. REMOVED & GAVE 4 SUTURES.