Which of the following factors in the stephan’s curve is related to the caries incidence and sugar intake______________?

Related Mcqs:

1. Smooth surface caries is characterized by spread of caries in enamel and dentin as cones. These alignment in enamel and dentin is____________?

   A. Base to base
   B. Apex to base
   C. Apex to apex
   D. None of the above

2. The prbable reasons for a high incidence of dental caries in the teenage population relates most directly to______________?

   A. Rapid growth
   B. Frequency of sucrose intake
   C. Negligence in visiting the dentist
   D. Carelessness in oral hygiene habits

3. Progression of dental caries caries on pit and fissure occurs from:

   A. Apex of the pit and fissure
   B. Wide and of the pit and fissure
   C. Lateral surface of the pit and fissure
   D. Bottom of the pit and fissure

4. Bacteria responsible for initiation of caries is _________________?

   A. Actinomyces
   B. Strep. mutans
   C. Lactobacillus
   D. Strep. viridans

5. Organism involved in smooth surface caries is____________?

   1 Streptococcus mutans
   2 Actinomyces viscosus
   3 Lactobacillus
   4 Campylobacter

   A. only 1
   B. only 2
   C. 1 and 3
   D. All of the above

6. What is the PH at which initiation of caries begin ?

   A. 4.3-4.5
   B. 5.2-5.5
   C. 4.9-5.1
   D. 3.5-4.5

7. The lateral spread of dental caries is facilitated mostly by the_______________?

   A. Enamel spindles
   B. Dentinoenamel junction
   C. Enamel lamellae
   D. Striae of Retzius

8. In a caries-free individual the saliva has_____________?

   A. low buffering capacity of acids
   B. Medium buffering capacity for acids
   C. High buffering capacity for acids
   D. Independent of buffering capacity for acids

9. Chemico-parasitic theory of dental caries is proposed by______________?

   A. Miller
   B. G.V black
   C. Gottlieb
   D. Schwartz

10. Animals maintained in germ free environmental did not develop caries even when fed on a high carbohydrate diet is given by_____________?

    A. Gottlieb
    B. Miller
    C. Synder
    D. Orland and Fizgerald