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: Surgery
Y.V plasty procedure is used for 
Select and explain. 
A. Vestibuloplasty, B. Ridge augmentation, C. Frenectomy, D. Mucogingival surgery
C: Frenectomy
Answer: C: Frenectomy 
Explanation: None