How many Champy's osteosynthesis lines exist behind and in the front end of mental foramen:: (A) 2 ahead of and 1 behind the mental foramen., (B) 1 ahead of and 2 behind the mental foramen., (C) 2 ahead of and 2 behind the mental foramen., (D) 1 ahead of and 1 behind the mental foramen.
Answer is A. None