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': 'Differential diagnosis of hypercementosis includes all of these EXCEPT \nSelect and explain. \nA. Cemental dysplasia, B. Cementat aplasia, C. Condensing osteitis, D. Focal periapical osteopetrosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]