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
Craters in interseptal bone are best eliminated by 
Select and explain. 
A. Gingivectomy, B. Supragingival curettage, C. Interseptal massage with stimulators, D. Osseous recontouring
D: Osseous recontouring
Answer: D: Osseous recontouring 
Explanation: None