The periodontal ligament is approximately_____________?
Correct answer: C. 0.25 mm in thickness
- A. 0.75 mm in thickness
- B. 0.5 mm in thickness
- C. 0.25 mm in thickness
- D. mm in thickness
Explanation
The periodontal ligament is approximately 0.25 mm thick on average, with normal regional variation. Its width is not uniformly 0.5 or 0.75 mm.
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