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 disturbance occurs during histodifferentiation then this will result in all of the following defects except: \nSelect and explain. \nA. Dentinogenesis imperfecta., B. Osteodentin., C. Dens in dente., D. None.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]