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': 'Finishing of composite can be done after: \nSelect and explain. \nA. 10 minutes of curing, B. 5 minutes of curing, C. 15 minutes of curing, D. 20 minutes of curing', 'role': 'user'}, {'content': 'Answer: C \nExplanation: All composite restorations should be finished and polished shortly after placement during the same appointment,\xa0although the finishing should be delayed for approximately\xa015 minutes after curing.\nPhillips Dental materials 12th edition pg no 299', 'role': 'assistant'}]