The rest of malassez in the periodontal ligament are derived from_____________?

Related Mcqs:

1. All of the following cells of periodontal ligament are of mesenchymal origin except______________?

   A. Fibroblasts
   B. Multi totipotent cells
   C. Cementoblasts
   D. Cell rests of malassez

2. Bone adjacent to periodontal ligament that contains a great number of sharpey’s fibres is known as______________?

   A. Lamina dura
   B. Bundle bone
   C. Lamina propria
   D. Lamina densa

3. Principal fibres of periodontal ligament are attached to_____________?

   A. Alveolar bone proper
   B. Bundle bone
   C. Lamellar bone
   D. Cortical bone

4. Narrowing of periodontal ligament in labially placed mandibular canine with age is due to_____________?

   A. Due to deposition of cementum and bone
   B. Down growths of gingival epithelium
   C. Gingival cysts formed from cell rests
   D. Reversal of function of horizontal and oblique fibres

5. A special feature of the periodontal ligament fibroblasts is______________?

   A. The number or organelles
   B. Presence of actin fibres and shape change
   C. size of the cells
   D. Collagen fibre formation

6. Fibres of periodontal ligament embedded in the bone are_____________?

   A. Sharpey’s fibres
   B. Tomes fibres
   C. Elastic fibres
   D. Ray’s fibres

7. The most abundant principle fibre group in periodontal ligament is____________?

   A. Horizontal
   B. Transeptal
   C. Apical
   D. Oblique

8. Periodontal ligament is made up of____________?

   A. Type I collagen
   B. Type I and Type III collagen
   C. Type I and Type II collagen
   D. Type I and Type IV collagen

9. Width of the periodontal ligament is least at______________?

   A. Cervical third
   B. Apical third
   C. Fulcrum of rotation
   D. It has uniform width

10. The periodontal ligament is approximately_____________?

    A. 0.25 mm in thickness
    B. 0.5 mm in thickness
    C. 0.75 mm in thickness
    D. mm in thickness