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 speed of the aerotor hand piece is increased to\n100,000 rpm then. \nSelect and explain. \nA. Decreased vibration perception to the patient, B. More heat is generated resulting in pulpal damage, C. High efficiency, D. all of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]