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
[{'content': 'Which of the following may create gingival deformities that require gingivoplasty to eliminate the defects: \nSelect and explain. \nA. Erosive Lichen planus, B. Desquamative gingivitis, C. Acute Herpetic gingivostomatitis, D. Necrotising ulcerative gingivitis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]