Reversal lines which may be seen on the cribriform plate (alveolar bone proper) of the alveolar process indicate the cessation of____________?
Correct answer: B. Osteoclastic activity
- A. Osteoblastic activity
- B. Osteoclastic activity
- C. Myeloid activity
- D. Healing activity
Explanation
A reversal line marks the change from bone resorption to bone formation, so it indicates that osteoclastic activity has ceased and osteoblastic activity is about to begin. It does not represent the end of osteoblast activity.
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