Chronological hypoplasia is_____________?

Related Mcqs:

1. Deficiency of which of the following will cause enamel hypoplasia ?

   A. Vitamin B and C
   B. Vitamin A, C and D
   C. Calcium
   D. Vitamin C

2. A disease which only affects the formation and eruption of tooth but does not cause hypoplasia is______________?

   A. Hypoparathyroidism
   B. Hyperthyroidism
   C. Rickets
   D. Syphilis

3. Turner’s hypoplasia most commonly affects________________?

   A. Deciduous maxillary anteriors
   B. Deciduous mandibular anteriors
   C. Permanent maxillary anteriors
   D. Permanent manibular anteriors

4. Which of the following is unlikely to cause enamel hypoplasia ?

   A. Rickets
   B. Fluoride
   C. Congenital syphilis
   D. Cleidocranial dysostosis

5. The type of fibrous element in enamel is_____________?

   A. Tono filament
   B. Keratin like fibre
   C. Collagen fibre
   D. Vimentin filament

6. Specific gravity of enamel is_____________?

   A. 2.8
   B. 3.8
   C. 4.8
   D. 2.3

7. Length of enamel rods is_____________?

   A. Greater than the thickness of enamel
   B. Less than the thickness of enamel
   C. Equal to the thickness of enimal
   D. None of the above

8. A suitable fixative for a routine biopsy specimen is_____________?

   A. 10% formalin
   B. 40% formalin
   C. 20% formalin
   D. 10% alcohol

9. The region in which cementum formation is most rapid is_____________?

   A. Middle
   B. Coronal
   C. Apical
   D. Interradicular

10. Centre of the disc in TMJ is_____________?

    A. Avascular
    B. Devoid of nervous tissue
    C. Avascular & deviod of nervous tissue
    D. None of the above