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': 'Microscopic Endodontics \nSelect and explain. \nA. Increases Neck and back Fatigue, B. Does not help in identification of microfactures in teeth, C. Increase Posture of Operator, D. Does not Aid in the Removal of Diseased Dental Tissue', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]