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
The following condition do not create gingival defects necessitating gingivoplasty except 
Select and explain. 
A. Acute necrotizing ulcerative gingivitis, B. Desquamative gingivitis, C. Erosive lichen planus, D. Acute herpetic gingivostomatitis
A: Acute necrotizing ulcerative gingivitis
Answer: A: Acute necrotizing ulcerative gingivitis 
Explanation: None