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': 'When using diamond instrument for tooth cutting without coolants, they produce: \nSelect and explain. \nA. Same damaging heat as compared to carbide bur, B. Less damaging  heat  as compared to carbide bur, C. More damaging heat as compared to carbide bur, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Carbide burs are better for end cutting, produce lower heat\xa0and have more blade edges per diameter for cutting.', 'role': 'assistant'}]