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': 'Tevdek sutures used in endodontics microsurgeries should not be left: \nSelect and explain. \nA. Longer than 48 hours, B. Longer than 72 hours, C. Longer than 24 hours, D. Longer than 96 hours', 'role': 'user'}, {'content': "Answer: D \nExplanation: Over recent years, suture material choice has moved from black silk to Tevdek braided polyester or monofilament polypropylene sutures such as Protene.\nPost-operative Management:\nSufficient healing have occurred after 48 hours for suture removal; however, it should not be left longer than 96 hours due to 'wicking\xa0effect'\xa0that may cause post-operative infection of the surgical site.", 'role': 'assistant'}]