The corrct order of microscopic zones of dentinal caries starting from the D.E junction is_______________?

Related Mcqs:

1. The number of dentinal zones in dentinal caries is_____________?

   A. One
   B. Two
   C. Four
   D. Five

2. 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

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. The neuromuscular transmitter released at neuromuscular junction is_______________?

   A. Dopamine
   B. Epinephrine
   C. Nor epinephrine
   D. Acetylcholine

5. In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________?

   A. Predentin
   B. Mantle dentin
   C. Interglobular dentin
   D. Tertiary dentin

6. A lesion composed of microscopic vessels is called as ______________?

   A. Haemangioma
   B. Angioma
   C. None of Haemangioma and Angioma
   D. Heamangioma and Angioma

7. Dentinal union of two embryologically developing teeth is referred as______________?

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

8. Oral tissue for microscopic examination is prepared by_______________?

   A. Embedded in paraffin and sectioned
   B. Embedded in paradion and sectioned
   C. Frozen and sectioned
   D. Specimens ground into thin sections
   E. All of the above

9. On microscopic examination enamel rods have___________?

   A. Key hole appearance in cross section
   B. Paddle appearance in cross section
   C. Lanullate appearance in cross-section
   D. None of the above

10. Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?

    A. Cocci
    B. Spirochetes
    C. Bacteriophages
    D. Filamentous rods