 Then using 2.7 mm tap, the thread holes were placed and using an 18 x 2.7 mm screw ___________ was achieved and good apposition of the bone and tightness were achieved. 
Then using 2.7 mm tap , the thread holes were placed and using an 18 x 2.7 mm screw _ _ _ _ _ _ _ _ _ _ _ was achieved and good apposition of the bone and tightness were achieved .