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
In Periapical surgery, which of the following flap designs
limit access to the operative site and often heals with scar formation 
Select and explain. 
A. Envelope, B. Rectangular, C. Semilunar, D. Triangular
C: Semilunar
Answer: C: Semilunar 
Explanation: None