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
A 30 years old male reported with chief complaint of  constant radiating, gnawing pain that is intensified by eating spicy foods and chewing. He also reported a "metallic" foul taste and an excessive amount of "pasty"saliva. A general examination revealed fever and increased pulse rate. Intra-oral examination showed punched-out, crater like depressions at the crest of the interdental gingival papillae, covered by a gray pseudomembranous slough, in the upper anterior teeth.

Surgical procedure for severe tissue destruction in such infection is 
Select and explain. 
A. Reshaping the gingiva (Gingivoplasty), B. Resection of the gingiva (Gingivectomy), C. Apically displaced flap surgery, D. Coronally displaced flap surgery
A: Reshaping the gingiva (Gingivoplasty)
Answer: A: Reshaping the gingiva (Gingivoplasty) 
Explanation: None