A. Middle
B. Coronal
C. Apical
D. Interradicular
Cementum
Cementum
A. Cementum is thinnest at CEJ (20-50μm)
B. Cementum is thickest towards the apex (150-200μm)
C. The apical foramen is surrounded by cementum
D. All of the above
A. Anatomic repair
B. Functional repair
C. Physiological repair
D. Hyperplasia
A. Between enamel and cementum
B. Found at dentinocemental junction
C. Apical third
D. Coronal third
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
A. Ankylosis
B. Resorption of cementum
C. Hypertrophy of cementum
D. Hyperplasia of cementum
A. Ankylosis may occur
B. Exforliation of teeth occur
C. Delayed eruption
D. No change occurs
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. Coronal half of root
B. Apical half of root
C. Apex of root
D. Entire root
A. Cementum meets enamel
B. Cementum overlaps enamel
C. Cementum does not meet enamel
D. All of the above