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': 'New Zealand type of school dental nurse can perform all of the following clinical duties except: \nSelect and explain. \nA. Prophylaxis, B. Pulp capping, C. Root canal treatment, D. Topical fluoride application', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]