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': 'Which of the following conditions does not require any treatment unless it becomes symptomatic \nSelect and explain. \nA. Subacute pulpitis, B. Chronic pulpitis, C. Pulp fibrosis, D. Apical cyst', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Pulp fibrosis is a result of senile changes or low grade trauma to the tooth and is usually asymptomatic.it is more evident in the radicular\xa0portion of the pulp than elsewhere.\ngrossman..12th ed pg 34', 'role': 'assistant'}]