Oral Histology MCQs

Page No. 1

In resorption of roots of the primary teeth, the dental pulp_____________?


aPlays a passive role

✓


bBecomes a fibrotic non-vital mass

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cInitiates resorption from the inner surface of roots

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d Aids in formation of secondary dentin slowing down resorption

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View Answer Plays a passive role

Tooth eruption is due to______________?


aOsteoclastic activity

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bProliferation of cells at crypt

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c Exforliation of primary tooth

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dEruptive force

✓


View Answer Eruptive force

Resorption of dental tissue is caused by_____________?


a Osteoclasts

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bOsteoblasts

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cOdontoclasts

✓


dOdontoblasts

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View Answer Odontoclasts

Gubernacular canal guides the eruption of_____________?


aPrimary teeth

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bPermanent teeth

✓


c Both A and B

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dNone of the above

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View Answer Permanent teeth

Tooth buds of permanent mandibular incisors are situated_____________?


aLingual to primary teeth

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b Inferior to primary teeth

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cLabial to primary teeth

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dA and B

✓


View Answer A and B

Epithelial attachment is derived from____________?


aReduced enamel epithelium

✓


bDental papilla

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cInner enamel epithelium

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d Dental sac

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A suitable fixative for a routine biopsy specimen is_____________?


a 10% formalin

✓


b 40% formalin

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c20% formalin

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d10% alcohol

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View Answer 10% formalin

Dehydration of specimen is carried out by____________?


aBy using 10% formalin

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bBy using liquid or solid Co2

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c By using increasing percentages of alcohol

✓


dBy using 5% nitric acid

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Frozen sections can be used for the demonstration of_____________?


aFat

✓


b Mucin

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c Cartilage

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dIron

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View Answer Fat

The cells, which are responsible for removal of bone matrix in bone resorption, are_____________?


aOsteoblast

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bFibrocytes

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c Polymorphs

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dOsteoclasts

✓


View Answer Osteoclasts

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