 Moving to the lower quadrant on the left side, tooth numbers 17, 18, 19, 20, 21, 22, 23, and 24 were removed with elevators and routine forceps extraction. 
Moving to the lower quadrant on the left side , tooth numbers 17 , 18 , 19 , 20 , 21 , 22 , 23 , and 24 were removed with elevators and routine forceps extraction .