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': 'An avulsed tooth before replantation should be treated with? \nSelect and explain. \nA. Doxycycline, B. Dexamethasone, C. Ampicillin, D. Ibuprofen', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]