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
Success of revascularization therapy is mainly dependent 
on 
Select and explain. 
A. Age of patient, B. Complete disinfection of canal, C. Periapical status, D. Occlusal clearance
B: Complete disinfection of canal
Answer: B: Complete disinfection of canal 
Explanation: None