A. Bone
B. Acellular cementum
C. Enamel
D. None of the above
Related Mcqs:
- 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 - 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 - In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________?
A. Predentin
B. Mantle dentin
C. Interglobular dentin
D. Tertiary dentin - 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 - Drug chemically related to penicillins is_____________?
A. Tetracycline
B. Sulphonamide
C. Cephalosporin
D. Lincemycin - The microhardness of dentin is about____________?
A. 1/2 that of enamel
B. 1/7 that of enamel
C. 1/4 that of enamel
D. 1/5 that of enamel - The main bulk of dentin is formed by______________?
A. Peritubular dentin
B. Mantle dentin
C. Inter tubular dentin
D. Predentin - Inter globular dentin results due to_____________?
A. Failure of coalescence of calcospherities
B. Fracture of the dentin
C. Artifact in light microscopy
D. Disturbance in dentinal tubules - The pain transmission through dentin is______________?
A. Direct neural stimulation
B. Fluid or hydrodynamic theory
C. Transduction theory
D. All of the above - 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