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: Dental
Chances of ankyloses of mandibular molar which is autotransplanted depends on? 
Select and explain. 
A. Splinting of mandibular molar, B. Surgical extraction of molar, C. Socket preparation of molar for autotransplantation, D. Root kept moist in cotton
B: Surgical extraction of molar
Answer: B: Surgical extraction of molar 
Explanation: None