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': 'The ideal method for restoring a fractured tooth is \nSelect and explain. \nA. Open faced stainless steel crown, B. Reattachment of fractured tooth segment, C. Strip crown, D. Composite resin restoration', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]