This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
In BSSO setback, fixation in neutral posterior zone is best achieved with: 
Select and explain. 
A. Lag screw, B. Position screw, C. Miniplate, D. No fixation is required in neutral position
A: Lag screw
Answer: A: Lag screw 
Explanation: None