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: Pathology
[{'content': 'Dentinogenesis imperfecta differs from amelogenesis\nimperfecta in that, the former is \nSelect and explain. \nA. A hereditary disturbance, B. The result of excessive fluoride ingestion, C. The result of faulty enamel matrix formation, D. Characterized by calcification of pulp chambers and the root canals of the teeth', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]