Remnants of the Hertwig’s root sheath are found in____________?
A. Gingiva
B. Alveolar bone
C. Periodontal ligament
D. Cementum
Anchoring fibrills are composed of_____________?
Anchoring fibrills are composed of_____________?
A. Type V and VII collagen
B. Type I and III collagen
C. Type IV collagen
D. Type IV and III Collagen
The periodontal ligament_____________?
The periodontal ligament_____________?
A. Derives its blood supply primarily from the branches of vessels entering the pulp
B. Has a slow rate of turn over
C. Contains epithelial cells
D. Comprises primarily of type II collagen
Which dental tissue doesn’t contain nerves ?
Which dental tissue doesn’t contain nerves ?
A. Bone
B. Dentin
C. Cementum
D. Pulp
Which of the following is least mineralized ?
Which of the following is least mineralized ?
A. Cementoid
B. Incremental line
C. Cellular cementum
D. Acellular cementum
Root lengthening is contributed by____________?
Root lengthening is contributed by____________?
A. Cellular cementum
B. Acellular cementum
C. Intermediate cementum
D. All of the above
Trauma or excessive occlusal forces causes_____________?
Trauma or excessive occlusal forces causes_____________?
A. Hyperplasia of cementum
B. Hypertrophy of cementum
C. Resorption of cementum
D. None of the above
At the CEJ cementum overlaps enamel about____________?
At the CEJ cementum overlaps enamel about____________?
A. 55 to 60%
B. 60 to 65%
C. 65 to 70%
D. 70 to 75%
Cementum is_____________?
Cementum is_____________?
A. Avascular
B. Vascular
C. Has blood supply initially only
D. None of the above
If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________?
If overgrowth of cementum does not improve the functional qualities of cementum, it is termed as_____________?
A. Hyperplasia
B. Hypoplasia
C. Hypertrophy
D. Excementoses