Question 355 · LDEK · Root cementum
Indicate the true statements concerning root cementum:
1) acellular cementum covers root dentin directly;
2) cementum thickness is the smallest at the root apex;
3) the extracellular matrix of cementum contains growth factors which are the source of periodontal regeneration;
4) cementum covering the root is the most vascularized in the cervical area.
The correct answer is:
2) cementum thickness is the smallest at the root apex;
3) the extracellular matrix of cementum contains growth factors which are the source of periodontal regeneration;
4) cementum covering the root is the most vascularized in the cervical area.
The correct answer is:
- A. 1,2.
- B. 1,3.
- C. 2,3.
- D. 3,4.
- E. 1,4.
Hint
Remember where cementum is thickest, and whether this tissue has its own blood supply.
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