Oral Histology MCQs

Page No. 15

The bud, cap and bell stage of the developing tooth are based, on growth of the______________?


aStellate reticulum


bDental papilla


cEnamel organ


dDental sac


View Answer Enamel organ

Dental papilla gives rise to_____________?


aPulp only


bPulp & Dentin


cPulp & Periodontal ligament


dAll of the above


View Answer Pulp & Dentin

Disturbance during the morphodifferentition stage of tooth development will result in______________?


aChange in number of teeth


bAmeloblastoma


cChange in form and shape of the teeth


dHypoplasia



First appearance of tooth formation occurs in____________?


a6th week IU


b2nd week IU


c9th week IU


d4th week IU


View Answer 6th week IU

In multirooted teeth, formation of multiple roots is due to presence of_____________?


aEpithelial diaphragm


bCell rests of Malassez


cToot bud division or bell stage


dNone of the above


View Answer Epithelial diaphragm

The formation of the dental lamina is initiated by______________?


aForebrain


b Rathke’s pouch


cNeural crest cells


dOdontoblasts


View Answer Neural crest cells

The hertwig’s epithelial root shealth is essential to development of the root because it_______________?


aGives rise to cementoblasts that produce cementum of the root


b Moulds the shape of roots and stimulates differentiation of odontoblasts


c Given rise to odontoblasts that lay down dentin of the root


dRemians as an essential constituents of the periodontal ligament



Which of the following anomalies occur during the initiation and proliferation of tooth development ?


aAmelogenisis imperfecta


b Dentinogenesis imperfecta


cEnamel hypoplasia


dOligodontia


View Answer Oligodontia

Lip furrow band is______________?


aVestibular lamina


b Successional lamina


cDental lamina


dBasal lamina


View Answer Vestibular lamina

Temporary structures in enamel organ are (before enamel formation) ?


a Enamel knot


bEnamel cord


cBoth A and B


dEnamel Cuticle


View Answer Both A and B

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