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': 'Bruxism causes the following Except \nSelect and explain. \nA. Attrition of primary & permanent teeth, B. TMJ disorder, C. Muscular tenderness, D. Caries', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]