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
Main concern during prosthodontics surgery and better prosthetic prognosis? 
Select and explain. 
A. Continuity defects, B. Minimal invasion, C. Occlusion, D. Cost
B: Minimal invasion
Answer: B: Minimal invasion 
Explanation: None