Maximum fluoride content is seen in_____________?
A. Dental cementum
B. Dental pulp
C. Enamel
D. Dentin
Cementum
Secondary cementum is generally confined to_____________?
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
Cellular cementum and compact bone contain____________?
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
Cellular cementum is____________?
Cellular cementum is____________?
A. First formed cementum
B. Less calcified than acellular type
C. More calcified than acellular type
D. Less irregular
Bundle bone is part of____________?
Bundle bone is part of____________?
A. Periodontal ligament
B. Alveolar bone
C. Cementum
D. Longbones
Hardness of fully mineralized cementum is_____________?
Hardness of fully mineralized cementum is_____________?
A. Less than dentin
B. More than dentin
C. Equal dentin
D. None of the above
Which of the following is true of cellular cementum ?
Which of the following is true of cellular cementum ?
A. Forms during root formation
B. Forms after the eruption of the tooth
C. Seen at the coronal portion of the tooth
D. Formation is a slow process
The cementuoenamel junction is approximately at the level at which the root canal becomes_____________?
The cementuoenamel junction is approximately at the level at which the root canal becomes_____________?
A. Twisted
B. Curved
C. Pulp chamber
D. Lateral canal
Intermediate cementum is____________?
Intermediate cementum is____________?
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
Inorganic content of cementum is______________?
Inorganic content of cementum is______________?
A. 45 to 50%
B. 50 to 55%
C. 55 to 60%
D. 60 to 65%