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
Loss of lamina dura can be seen in: 
Select and explain. 
A. Hyperparathyroidism., B. Hyperthyroidism., C. Hypothyroidism., D. None of the above.
A: Hyperparathyroidism.
Answer: A: Hyperparathyroidism. 
Explanation: None