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.Management Sciences
Category: Cementum
Bundle bone is part of____________?
A. Periodontal ligament
B. Alveolar bone
C. Cementum
D. Longbones
The region in which cementum formation is most rapid is_____________?
A. Middle
B. Coronal
C. Apical
D. Interradicular
Cellular cementum is____________?
A. First formed cementum
B. Less calcified than acellular type
C. More calcified than acellular type
D. Less irregular
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
Chronic periapical inflammation is usually associated with____________?
A. Ankylosis
B. Resorption of cementum
C. Hypertrophy of cementum
D. Hyperplasia of cementum
Which of the following statement is true______________?
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
Root lengthening is contributed by____________?
A. Cellular cementum
B. Acellular cementum
C. Intermediate cementum
D. All of the above
Which dental tissue doesn’t contain nerves ?
A. Bone
B. Dentin
C. Cementum
D. Pulp
Trauma or excessive occlusal forces causes_____________?
A. Hyperplasia of cementum
B. Hypertrophy of cementum
C. Resorption of cementum
D. None of the above
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
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