A disease which only affects the formation and eruption of tooth but does not cause 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. Which of the following is unlikely to cause enamel hypoplasia ?

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

3. A 4 year old child with one tooth less than the normal dentition shows large tooth with two crowns and two root canals, the anamoly is______________?

   A. Dilaceration
   B. Fusion
   C. Gemination
   D. Concrescence

4. Beginning of eruption of permanent tooth starts_____________?

   A. After completion of root
   B. When apical third root is still to be formed
   C. When half of the root is still to be formed
   D. when root formation starts

5. Tooth eruption is due to______________?

   A. Osteoclastic activity
   B. Proliferation of cells at crypt
   C. Exforliation of primary tooth
   D. Eruptive force

6. Movement of tooth to close the intermaxillary gap during eruption is due to____________?

   A. Physiological tooth migration
   B. Active eruption
   C. Passive eruption
   D. None of the above

7. The most accepted theory of tooth eruption is____________?

   A. Hydrodynamic theory
   B. Clone theory
   C. Periodontal ligament traction theory
   D. Vascular theory

8. The maximum rate of eruption, as the tooth cusps reach the surface epithelium is around ________ μm/day?

   A. 100
   B. 75
   C. 50
   D. 25

9. In considering the process of eruption, the pre-functional eruptive stage of a tooth begins when the_____________?

   A. Bud stage begins
   B. Cap stage begins
   C. Bell stage begins
   D. Dental lamina begins forming

10. Turner’s hypoplasia most commonly affects________________?

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