Accentuated incremental lines in dentin are______________?

Related Mcqs:

1. 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

2. 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

3. 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

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

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

5. 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

6. Incremental lines of Retzius appear_____________?

   A. As lines in the enamel running at right angles to the enamel surface
   B. As lines in the dentin running at right angles to the dentino-enamel junction
   C. In enamel and follow the apposition pattern
   D. In dentin and follow the appositional pattern

7. Incremental lines of retzius are seen in______________?

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

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

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

9. Physically and chemically, the dentin is closely related to______________?

   A. Bone
   B. Acellular cementum
   C. Enamel
   D. None of the above

10. 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