The main function of horizontal fibres of P.D ligament is____________?

Related Mcqs:

1. 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

2. Principal fibres of periodontal ligament are attached to_____________?

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

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

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

4. Fibres which continue from bone to ligament are_____________?

   A. Sharpey’s fibres
   B. Tome’s fibres
   C. Ray’s fibres
   D. All of the above

5. Fibres which continue from bone to ligament are_______________?

   A. Sharpey’s fibres
   B. Tome’s fibres
   C. Ray’s fibres
   D. All of the above

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

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

7. The main function of HDL is____________?

   A. Transport cholesterol from liver to peripheral tissues
   B. Esterification with PUFA
   C. Both of the above
   D. None of the above

8. 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

9. 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

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