Oral Histology MCQs

Page No. 26

At the CEJ cementum overlaps enamel about____________?


a55 to 60%

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b60 to 65%

✓


c 65 to 70%

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d70 to 75%

✖


View Answer 60 to 65%

Trauma or excessive occlusal forces causes_____________?


aHyperplasia of cementum

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bHypertrophy of cementum

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cResorption of cementum

✓


dNone of the above

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Root lengthening is contributed by____________?


aCellular cementum

✓


bAcellular cementum

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cIntermediate cementum

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dAll of the above

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View Answer Cellular cementum

Which of the following is least mineralized ?


aCementoid

✓


b Incremental line

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cCellular cementum

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dAcellular cementum

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View Answer Cementoid

Which dental tissue doesn’t contain nerves ?


a Bone

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bDentin

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c Cementum

✓


dPulp

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View Answer Cementum

The periodontal ligament_____________?


aDerives its blood supply primarily from the branches of vessels entering the pulp

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bHas a slow rate of turn over

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cContains epithelial cells

✓


dComprises primarily of type II collagen

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Anchoring fibrills are composed of_____________?


aType V and VII collagen

✓


bType I and III collagen~~~

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cType IV collagen

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dType IV and III Collagen

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Remnants of the Hertwig’s root sheath are found in____________?


aGingiva

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bAlveolar bone

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cPeriodontal ligament

✓


d Cementum

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View Answer Periodontal ligament

All of the following cells of periodontal ligament are of mesenchymal origin except______________?


aFibroblasts

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bMulti totipotent cells

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cCementoblasts

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d Cell rests of malassez

✓



The vascular supply of the periodontal ligament is______________?


aGreatest in the middle-third of a single rotted tooth

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bGreatest in the middle-third of a multirooted tooth

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c A net like plexus that runs closer to the cementum than to the bone

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dA net like plexus that runs closer to the bone than to the cementum

✓



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