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': 'Reason for hot teeth is : \nSelect and explain. \nA. Presence of lignocaine resistant sodium channels., B. Presence of abnormal neuroreceptors, C. Presence of tetradotoxin resistant sodium channels., D. Presence of lignocaine resistant K channels', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]