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
The three walled defect responds best to inductive or 
Select and explain. 
A. Degranulation procedures, B. Deroofing procedures, C. Deinvagination procedures, D. All of the above
A: Degranulation procedures
Answer: A: Degranulation procedures 
Explanation: None