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': 'Absence of lamina dura seen in ? \nSelect and explain. \nA. Rickets, B. Multiple myeloma, C. Rheumatoid ahritis, D. Hyperparathyroidism', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is `d' i.e., Hyperparathyroidism", 'role': 'assistant'}]