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': 'After periodontal surgical procedure probing should be done after: \nSelect and explain. \nA. 1 month, B. 2months, C. 3months, D. 4months.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]