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
Which surgical procedure is carried out to treat
TMJ ankylosis? 
Select and explain. 
A. Arthroplasty, B. Condylectomy, C. Discoplasty, D. Capsulorrhaphy
A: Arthroplasty
Answer: A: Arthroplasty 
Explanation: None