The formative cells of which of the following dental tissues disappear once tissue is formed___________?

Related Mcqs:

1. Resorption of dental tissue is caused by_____________?

   A. Osteoclasts
   B. Osteoblasts
   C. Odontoclasts
   D. Odontoblasts

2. The relationship between the pulpal and periodontal tissue complex begins during dental development at_____________?

   A. Adolescent stage
   B. 5-10 years
   C. Embryonic stage
   D. None of the above

3. Which dental tissue doesn’t contain nerves ?

   A. Bone
   B. Dentin
   C. Cementum
   D. Pulp

4. Large open wounds that are characterized by tissue loss and repaired by formation of granulation tissue in the floor of the wound is characteristic of______________?

   A. Secondary healing
   B. Primary healing
   C. Cicatrisation
   D. Regeneration

5. Once triturated, the Dental amalgam should be condensed with in_____________?

   A. 5 minutes
   B. 6 minutes
   C. 3 minutes
   D. 15 minutes

6. High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?

   A. Have less marginal breakdown
   B. Are workable at lower Hg-alloy ratio
   C. Have a higher ratio of tensile to compressive strength
   D. Have less resistance to tarnish and corrosion

7. Powders of dental plaster and dental stone differ mainly in____________?

   A. Solubility
   B. Shelf life
   C. Chemical formula
   D. Particle porosity

8. The main difference between dental stone and dental plaster is______________?

   A. Chemical composition
   B. Self life
   C. Sharpe and size of particles
   D. Solubility in water

9. The American dental association (ADA) specification number for non-aqueous elastomeric dental impression material is______________?

   A. 19
   B. 20
   C. 21
   D. 26

10. Merkel cells are found in which of the following tissue ______________?

    A. Epidermis
    B. Papillary layer of dermis
    C. Reticular of dermis
    D. Hypodermis