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.Management Sciences
Category: Oral Histology
Which of the following statement is correct?
A. Enamel cannot form in absence of dentin
B. The formation of enamel and dentin are independent of each other
C. Enamel formation can occur in absence of dentin
D. None of the above
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
The process of recesses formation in maxillary sinus is most frequently seen with________________?
A. Zygomatic process
B. Frontal process
C. Alveolar process
D. Palatine process
Stratum granulosum is not present in_____________?
A. Hyper orthokeratosis
B. Hyper parakeratosis
C. Non keratinized epithelium
D. Sulcular epithelium
Which of the following is not an ecto-mesenchymal derivative ?
A. Dentin
B. Cementum
C. Pulp
D. Enamel
Cellular cementum is____________?
A. First formed cementum
B. Less calcified than acellular type
C. More calcified than acellular type
D. Less irregular
Dead tracts in ground section appears as_____________?
A. Dentinal tubules
B. Coarse fibril bundles arranged at right angle to the dentinal surface
C. Black in transmitted light and white in reflected light
D. White in transmitted light and dark in reflected light
Among the following the structure that is most calcified is_______________?
A. Enamel lamella
B. Enamel rod
C. Enamel spindle
D. Enamel tuft
The relationship between the pulpal and periodontal tissue complex begins during dental development at_____________?
A. Adolescent stage
B. 5-10 years
C. Embryonic stage
D. None of the above
Incremental lines of retzius are seen in______________?
A. Enamel
B. Dentin
C. Cementum
D. Pulp
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