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
Which one of the following features is NOT associated with 1° hyperparathyroidism: 
Select and explain. 
A. Giant cell tumour., B. Sharply defined radiolucencies of maxilla and mandible., C. Partial loss of lamina dura., D. Hypercementosis.
D: Hypercementosis.
Answer: D: Hypercementosis. 
Explanation: None