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
Fracture of body of mandible with full arch of teeth (undisplaced) is treated by: 
Select and explain. 
A. IMF, B. Open reduction and internal fixation, C. Close reduction and internal fixation, D. External pin fixation
A: IMF
Answer: A: IMF 
Explanation: None