A. Highly defined cellular zone near cemento – dentinal junction (CDJ)
B. Highly defined fibrillar zone near CDJ
C. Poorly defined zone near cemento-dentinal junction
D. Both a and B
Related Mcqs:
- If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________?
A. Hyperplasia
B. Hypoplasia
C. Hypertrophy
D. Excementoses - Intermediate cementum is___________?
A. Between enamel and cementum
B. Found at dentinocemental junction
C. Apical third
D. Coronal third - Cellular cementum is____________?
A. First formed cementum
B. Less calcified than acellular type
C. More calcified than acellular type
D. Less irregular - If cementum is not formed______________?
A. Ankylosis may occur
B. Exforliation of teeth occur
C. Delayed eruption
D. No change occurs - The region in which cementum formation is most rapid is_____________?
A. Middle
B. Coronal
C. Apical
D. Interradicular - Inorganic content of cementum is______________?
A. 45 to 50%
B. 50 to 55%
C. 55 to 60%
D. 60 to 65% - Cellular cementum and compact bone contain____________?
A. Sharpehy’s fibres and elastic fibres
B. Collagen fibres and blood vessels
C. Canaliculi and incremental lines
D. Lacunae and elastic fibres - Secondary cementum is generally confined to_____________?
A. Cervical third of the root
B. Middle third of the root
C. Apical third of the root
D. No secondary cementum forms - Cementum is_____________?
A. Avascular
B. Vascular
C. Has blood supply initially only
D. None of the above - At the CEJ cementum overlaps enamel about____________?
A. 55 to 60%
B. 60 to 65%
C. 65 to 70%
D. 70 to 75%
