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': 'Which of the following lesion is often multiple and are distinguished from Periapical abscess by their association with vital teeth? \nSelect and explain. \nA. Hypercementosis, B. Periapical cemental dysplasia, C. Myxofibroma, D. Peripheral ossifying fibroma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The\xa0term\xa0periapical\xa0osseous\xa0dysplasia\xa0(POD)\xa0has replaced periapical cemental dysplasia.\xa0\nThe involved teeth are vital, and the patient usually has no history of pain or sensitivity. The lesions usually come to light as an incidental finding during a periapical or panoramic imaging examination performed for other purposes. The lesions can become quite large, causing a notable expansion of the alveolar process, and may continue to enlarge slowly.\nOral radiology ; White and Pharaoh 7th edition page no: 408', 'role': 'assistant'}]