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': 'Anterior inclined plane should not be used for prolonged period because it causes \nSelect and explain. \nA. Growth discrepancy, B. Supra eruption of posterior teeth, C. deepbite, D. Cross bite', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]