The zone of dentin most recently formed and uncalcified is known as____________?

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. Dentin formed through out the life is______________?

   A. Sclerotic dentin
   B. Secondary dentin
   C. Reparative dentin
   D. All of the above

6. The main bulk of dentin is formed by______________?

   A. Peritubular dentin
   B. Mantle dentin
   C. Inter tubular dentin
   D. Predentin

7. The type of dentin that is formed prior to root completion______________?

   A. Inter tubular dentin
   B. Peritubular dentin
   C. Circum pulpal dentin
   D. Secondary dentin

8. Which zone is the hottest and efficient burning zone of the flame used for casting ?

   A. Oxidizing zone
   B. Reducing zone
   C. Combustion zone
   D. None of the above

9. The dentin adjacent to the dentinoenamel junction is called the______________?

   A. Mantle dentin
   B. Circumpulpal dentin
   C. Predentin
   D. Secondary dentin

10. Sclerotic dentin has following features_____________?

    A. Caries susceptible
    B. Insensitive
    C. Hypersensitive
    D. Resistant to caries