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': 'For a tooth with a fractured crown with pulp exposure all of the following treatments are possible except: \nSelect and explain. \nA. Direct pulp capping., B. Indirect pulp capping., C. Pulpotomy., D. Pulpectomy.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: For a tooth with a fractured crown with pulp exposure, four kinds of treatment are possible:\n\nDirect pulp capping\nPulpotomy (pulp is vital)\nApexification (pulp is necrotic)\nPulpectomy (endodontic treatment)', 'role': 'assistant'}]