Medical MCQs

A. Direct activation of nerve endings
B. Correlated with the innervation density of the dentin
C. Stimulus induced fluid flow
D. There is no transmission of stimulus across dentin

A. Enamel (anterior teeth)
B. Enamel (posterior teeth)
C. Dentin
D. Dentinoenamel junction

A. 1/2 that of enamel
B. 1/7 that of enamel
C. 1/4 that of enamel
D. 1/5 that of enamel

A. Bone
B. Acellular cementum
C. Enamel
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

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

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

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

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

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