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
If impacted 3rd molar is to be extracted in patient planned for bilateral sagittal split osteotomy, then extraction should be done 
Select and explain. 
A. 8-12 weeks after surgery, B. At the time of surgery, C. 1 month after surgery, D. 6 month before surgery
D: 6 month before surgery
Answer: D: 6 month before surgery 
Explanation: None