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


cInitiates resorption from the inner surface of roots


d Aids in formation of secondary dentin slowing down resorption


View Answer Plays a passive role

Tooth eruption is due to______________?


aOsteoclastic activity


bProliferation of cells at crypt


c Exforliation of primary tooth


dEruptive force


View Answer Eruptive force

Resorption of dental tissue is caused by_____________?


a Osteoclasts


bOsteoblasts


cOdontoclasts


dOdontoblasts


View Answer Odontoclasts

Gubernacular canal guides the eruption of_____________?


aPrimary teeth


bPermanent teeth


c Both A and B


dNone of the above


View Answer Permanent teeth

Tooth buds of permanent mandibular incisors are situated_____________?


aLingual to primary teeth


b Inferior to primary teeth


cLabial to primary teeth


dA and B


View Answer A and B

Epithelial attachment is derived from____________?


aReduced enamel epithelium


bDental papilla


cInner enamel epithelium


d Dental sac



A suitable fixative for a routine biopsy specimen is_____________?


a 10% formalin


b 40% formalin


c20% formalin


d10% alcohol


View Answer 10% formalin

Dehydration of specimen is carried out by____________?


aBy using 10% formalin


bBy using liquid or solid Co2


c By using increasing percentages of alcohol


dBy using 5% nitric acid



Frozen sections can be used for the demonstration of_____________?


aFat


b Mucin


c Cartilage


dIron


View Answer Fat

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


aOsteoblast


bFibrocytes


c Polymorphs


dOsteoclasts


View Answer Osteoclasts

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