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': 'Reapithelization after curettage occurs after: \nSelect and explain. \nA. 2-7 days, B. 14 days, C. 21 days, D. 1 month', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]