Root lengthening is contributed by____________?
Correct answer: A. Cellular cementum
- A. Cellular cementum
- B. Acellular cementum
- C. Intermediate cementum
- D. All of the above
Explanation
Cellular cementum is deposited mainly in the apical and furcation regions and can continue to form after eruption, helping compensate for occlusal wear and contributing to root lengthening. Acellular cementum primarily provides the initial attachment for periodontal ligament fibers.
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