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': 'If the vertical root fracture occurs through the crown furcation of a maxillary molar in a mesiodistal plane, treatment indicated is: \nSelect and explain. \nA. Extraction., B. RCT, C. Hemisection., D. Wait and watch.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]