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
Lateral pedicle flap is used for 
Select and explain. 
A. Increasing the width of attached gingiva, B. Recession coverage, C. Curettage, D. Vestibular deepening
B: Recession coverage
Answer: B: Recession coverage 
Explanation: None