Sclerotic dentin has following features_____________?

Related Mcqs:

1. Marked reduction in amount of dentin, widening of predentin layer, presence of large area of interglobular dentin and irregular pattern of dentin is seen in______________?

   A. Hypocalcified dentin
   B. Odonto dysplasia
   C. Dentin dysplasia
   D. Dentinogenesis imperfecta

2. Compared to the inter tubular dentin, peritubular dentin is characterized by which of the following ?

   A. Greater stainability
   B. Lasser content of inorganic salts
   C. greater content of inorganic salts
   D. Greater content of large collagen fibres

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

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

4. 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

5. Sclerotic bodies measuring 3-5m in size, multi-septate, chestnut, brown color is characteristic of________________?

   A. Histoplasmosis
   B. Rhinosporodiosis
   C. Phaeohypomycosis
   D. Chromoblastomycosis

6. The formation of which of the following does not represent normal physiologiacl process of dentin formation_______________?

   A. Primary and secondary dentin
   B. Secondary dentin and circumpulpal dentin
   C. Tetiary dentin and sclerotic dentin
   D. All of the above

7. The most accepted theory for dentin sensitivity is: or Which of the following is the most accepted theory of transmission of dental sensation_____________?

   A. Transduction theory
   B. Direct neural stimulation
   C. Hydrodynamic theory
   D. Hydrostatic theory

8. The dentin receptors are unique because_____________?

   A. They elicit pain to hot and cold
   B. They elicit pain to touch and pressure
   C. They elicit pain to chemicals
   D. Elicit only pain as a response

9. Accentuated incremental lines in dentin due to disturbances in matrix and mineralization process is_____________?

   A. Incremental lines of retzius
   B. Incremental lines of vonebner
   C. Contour lines of owen
   D. None of the above

10. The type of tertiary dentin which contains cellular inclusions is found in_____________?

    A. Sclerotic dentin
    B. Mantle dentin
    C. Predentin
    D. Osteodentin