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.Management Sciences
Category: Cementum
At the CEJ cementum overlaps enamel about____________?
A. 55 to 60%
B. 60 to 65%
C. 65 to 70%
D. 70 to 75%
The cementuoenamel junction is approximately at the level at which the root canal becomes_____________?
A. Twisted
B. Curved
C. Pulp chamber
D. Lateral canal
Maximum fluoride content is seen in_____________?
A. Dental cementum
B. Dental pulp
C. Enamel
D. Dentin
If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________?
A. Hyperplasia
B. Hypoplasia
C. Hypertrophy
D. Excementoses
At the cemento enamel junction, which of the following occurs_____________?
A. Cementum meets enamel
B. Cementum overlaps enamel
C. Cementum does not meet enamel
D. All of the above
Which of the following is correct?
A. Cementum is more resistant to resorption than bone
B. Bone is more resistant to resorption than cementum
C. Both are equally resorbable
D. None of the above
If cementum is not formed______________?
A. Ankylosis may occur
B. Exforliation of teeth occur
C. Delayed eruption
D. No change occurs
Which of the following is a rare occurrence______________?
A. Enamel meet cementum at a point
B. Enamel overlaps cementum
C. Cementum overlaps enamel
D. Both never meet
Cementum is_____________?
A. Avascular
B. Vascular
C. Has blood supply initially only
D. None of the above
Inorganic content of cementum is______________?
A. 45 to 50%
B. 50 to 55%
C. 55 to 60%
D. 60 to 65%
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