Category: Cementum

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

A. Less than dentin
B. More than dentin
C. Equal dentin
D. None of the above

A. Between enamel and cementum
B. Found at dentinocemental junction
C. Apical third
D. Coronal third

A. Less than bone
B. More than bone
C. Equal to that of bone
D. More than that of enamel

A. Is derived from the sheath of hertwig
B. Is acellular in the apical third of the tooth
C. Often overlaps the enamel
D. Does not contain collagen fibres

A. Anatomic repair
B. Functional repair
C. Physiological repair
D. Hyperplasia

A. The uncalcified matrix of cementum is called cementoid
B. Cementum contain type I collagen predominantly
C. Cementodentinal junction is sometimes scallopes in deciduous teeth and smooth in permanent teeth
D. All of the above

A. Cellular cementum
B. Acellular cementum
C. Both of the above
D. None of the above

A. 10%
B. 30%
C. 60%
D. 90%

A. 55 to 60%
B. 60 to 65%
C. 65 to 70%
D. 70 to 75%