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
Compression osteosynthesis may be used in all these areas except? 
Select and explain. 
A. Comminuted fractures of mandible, B. FZ suture, C. Root of zygomatic arch, D. Bone graft fixation
A: Comminuted fractures of mandible
Answer: A: Comminuted fractures of mandible 
Explanation: Apart from options b, c, d, compression osteosynthesis may be used in linear fractures (oblique fractures) of mandible.