S. mutans is involved in dental caries initiation Other bacteria also involved is______________?

Related Mcqs:

1. Initiation of caries by streptococcus mutans is by the production of______________?

   A. Dextranase and soluble dextran B. Insoluble dextan and glucosyl transferase C. soluble dextan and glucosyl transferase D. None of the above...

2. Bacteria responsible for initiation of caries is _________________?

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

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. Pioneer bacteria in dental caries are in_____________?

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

5. Streptococcus mutans is considered to be principle etiologic agent of caries because it produces organic acids and it ________________?

   A. Forms a gelatinous matrix B. Metabolizes substrate from saliva C. Derives energy from enamel constituents D. Lives symbiolically with lactobacillus...

6. The dietary carbohydrate most likely involved in etiology of dental caries in man is____________?

   A. Glucose B. Sucrose C. Dextran D. Polysaccharide...

7. 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...

8. 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...

9. 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...

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

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