Oral Histology

A. Enamel forms more cervically than dentin
B. Enamel forms faster than dentin
C. Dentin forms faster than enamel
D. Processes of their cells remain in content with each other

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

A. Smear layer
B. Fluid convection
C. Length of dentinal tubules
D. Diffusion coefficient

A. 0.2-0.5 microns
B. 2-3 microns
C. 0.2-0.3 microns
D. 7 microns

A. Inner pulpal layer contains more dentinal tubules than outer dentin layer
B. The diameter of dentin tubules ranges from 5 to 7μm
C. The diameter of dentinal tubule is more at pulpal layer than outer layer
D. The bonding is more on the inner layer of dentin compared to outer surface

A. Incremental deposition
B. Peritubular dentin
C. Crowding of odontoblasts
D. Due to excess amount of organic component

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

A. Sclerotic dentin
B. Primary dentin
C. Secondary dentin
D. Interglobular dentin

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

A. Ca3 (Po4)2 CaCo3
B. 3Ca (Po4)2 Ca(OH)2
C. CaPo4 Ca(OH)2
D. None of the above