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.Management Sciences
Category: Oral Histology
Interwining of the enamel rods at the cusp timps and the incisal edges of a tooth is called______________?
A. Enamel spindles
B. Gnarled enamel
C. Incremental lies of woven
D. Incremental lines of retzius
Inorganic content of cementum is______________?
A. 45 to 50%
B. 50 to 55%
C. 55 to 60%
D. 60 to 65%
The tooth present close to maxillary sinus is_________________?
A. 1st molar
B. 2nd premolar
C. 1st premolar
D. 2nd molar
Hammock ligament is present_______________?
A. Between temporal and sphenoid bone
B. Between hamular notch and mandible
C. In apical area of a tooth
D. As a part of deep cervical fascia
The development of pulp begins__________?
A. 6th week of IU
B. 8th week of IU
C. 10th week of IU
D. 18th week of IU
Formula of hydroxyapatite crystal is____________?
A. Ca3 (Po4)2 CaCo3
B. 3Ca (Po4)2 Ca(OH)2
C. CaPo4 Ca(OH)2
D. None of the above
Non acidic, nonionic protein which helps in enamel mineralization _______________?
A. Tuftelin
B. Sheathlin
C. Enamelin
D. Amelogenin
Weil’s zone of pulp is__________?
A. Cell degenerated zone
B. Cell rich zone
C. Cell regenerated zone
D. cell free zone
Order of development of tooth germ is____________?
A. Bell-bud-cap
B. Cap-bell-bud
C. Bud-cap-bell
D. Bell-cap-bud
Which of the following is not the principle fibre group of the periodontal ligament___________?
A. Horizontal
B. Oblique
C. Alveolar crest
D. Transseplat
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