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: Radiology
[{'content': 'An African-American patient shows a radiolucent area surrounding the apices of mandibular anterior teeth which are vital. The most probable diagnosis is \nSelect and explain. \nA. Periapical abscess, B. Periapical granuloma, C. Periapical cemental dysplasia, D. Condensing osteitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]