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Dentin

Matrix vesicles_______________?

August 1, 2021July 21, 2019 by admin
Matrix vesicles_______________?

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

Categories Dentin, Medical Mcqs, Oral Histology

One of the following statement is unique about circumpulpal dentine______________?

August 1, 2021July 21, 2019 by admin
One of the following statement is unique about circumpulpal dentine______________?

A. Collagen fibers are oriented perpendicular to DEJ
B. Vonkorff fibers are present
C. Contain phosphophoryn
D. Requires matrix vesicle for mineralization

Categories Dentin, Medical Mcqs, Oral Histology

The most accepted theory for dentin sensitivity is: or Which of the following is the most accepted theory of transmission of dental sensation_____________?

August 1, 2021July 21, 2019 by admin
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

Categories Dentin, Medical Mcqs, Oral Histology

In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________?

August 1, 2021July 21, 2019 by admin
In adult teeth, the type of dentin present underlying dentin-enamel junction is_______________?

A. Predentin
B. Mantle dentin
C. Interglobular dentin
D. Tertiary dentin

Categories Dentin, Medical Mcqs, Oral Histology

Fluid flow, in or out of the dentinal tubules is proportional to the tuble diameter by______________?

August 1, 2021July 21, 2019 by admin
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 diameter
D. Fourth power of the diameter

Categories Dentin, Medical Mcqs, Oral Histology

The formation of which of the following does not represent normal physiologiacl process of dentin formation_______________?

August 1, 2021July 21, 2019 by admin
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 dentin
C. Tetiary dentin and sclerotic dentin
D. All of the above

Categories Dentin, Medical Mcqs, Oral Histology

Regarding teeth which statement is wrong ?

August 1, 2021July 21, 2019 by admin
Regarding teeth which statement is wrong ?

A. Enamel is harder than dentine
B. Enamel has no cells
C. Ameloblast secrete enamel and dentine
D. Odontoblast produce dentin

Categories Dentin, Medical Mcqs, Oral Histology

Excess deposition of calcium in the dentinal tubules is referred to as______________?

August 1, 2021July 21, 2019 by admin
Excess deposition of calcium in the dentinal tubules is referred to as______________?

A. Sclerotic dentin
B. Mantal dentin
C. Interglobular dentin
D. Intertubular dentin

Categories Dentin, Medical Mcqs, Oral Histology

1st formed dental tissue______________?

August 1, 2021July 21, 2019 by admin
1st formed dental tissue______________?

A. Enamel
B. Dentin
C. Cementum
D. Bone

Categories Dentin, Medical Mcqs, Oral Histology

The pain transmission through dentin is______________?

August 1, 2021July 21, 2019 by admin
The pain transmission through dentin is______________?

A. Direct neural stimulation
B. Fluid or hydrodynamic theory
C. Transduction theory
D. All of the above

Categories Dentin, Medical Mcqs, Oral Histology
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