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
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 - The pain transmission through dentin is______________?
A. Direct neural stimulation
B. Fluid or hydrodynamic theory
C. Transduction theory
D. All of the above - 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 - 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 - Dentin formed through out the life is______________?
A. Sclerotic dentin
B. Secondary dentin
C. Reparative dentin
D. All of the above - A 4-year old child has a normal complemented of primary teeth but they are gray and exhibit extensive occlusal and incisal wear. Radiographic examination indicates extensive deposits of secondary dentin in these teeth. Most likely this condition is______________?
A. Neonatal hypoplasia
B. Amelogenesis imperfecta
C. Cleidocranial dysplasia
D. Dentinogenesis imperfecta - Most potent stimulus for secretin is______________?
A. Dilattion of intestine
B. Acid chyme
C. Protein
D. Fat - Sclerotic dentin has following features_____________?
A. Caries susceptible
B. Insensitive
C. Hypersensitive
D. Resistant to caries
