Matrix vesicles_______________? A. Are found in mantle dentin B. Contain collagen C. Produce alkaline phosphatase D. Inhibit mineralization

One of the following statement is unique about circumpulpal dentine______________? A. Collagen fibers are oriented perpendicular to DEJ B. Vonkorff fibers are presentC. Contain phosphophoryn D. Requires matrix vesicle for mineralization

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 stimulationC. Hydrodynamic theory D. Hydrostatic theory

In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________? A. PredentinB. Mantle dentin C. Interglobular dentin D. Tertiary dentin

Fluid flow, in or out of the dentinal tubules is proportional to the tuble diameter by______________? A. Third power of the diameter B. Sixth power of the diameter C. Square of the diameterD. Fourth power of the diameter

The formation of which of the following does not represent normal physiologiacl process of dentin formation_______________? A. Primary and secondary dentin B. Secondary dentin and circumpulpal dentinC. Tetiary dentin and sclerotic dentin D. All of the above

Regarding teeth which statement is wrong ? A. Enamel is harder than dentine B. Enamel has no cellsC. Ameloblast secrete enamel and dentine D. Odontoblast produce dentin

Excess deposition of calcium in the dentinal tubules is referred to as______________? A. Sclerotic dentin B. Mantal dentin C. Interglobular dentin D. Intertubular dentin

1st formed dental tissue______________? A. EnamelB. Dentin C. Cementum D. Bone

The pain transmission through dentin is______________? A. Direct neural stimulation B. Fluid or hydrodynamic theory C. Transduction theoryD. All of the above