Oral Anatomy MCQs

Page No. 17

Distobuccal cusp of 27 falls into ______________?


aEmbrasure of 37 & 38

✓


bEmbrasure of 36 & 37

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cMesial pit of 37

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dImmediately incisal to cingulam

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View Answer Embrasure of 37 & 38

Maxillary facial and mandibular lingual cusps require sufficient occclusal length and horizontal overlap for_____________?


aEsthetics

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bCentric stability

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cChewing efficiency

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dSoft tissue protection

✓



Desmodont is another name for_____________?


aThe tooth with one wall pocket

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bTooth with three walled pocket

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cperiodontal ligament

✓


ddehiscense

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View Answer periodontal ligament

The last primary tooth to be replaced by a permanent tooth is usually the_____________?


aMaxillary second molar

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bMandibular second molar

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cMaxillary canine

✓


dMandibular canine

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View Answer Maxillary canine

Calcification of permanent first molar usually begins in the_____________?


aThird month of intrauterine life

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bIn the sixth month of intrauterine life

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cAt birth

✓


dIn the third month of extra uterine life

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View Answer At birth

The usual order of appearance of the primary teeth in the mouth is____________?


aCentral incisors, first molars, lateral incisors, second molars, canines

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bCentral incisors, lateral incisors, canines, second molars, first molars

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cCentral incisors, lateral incisors, first molars canines, second molars

✓


dCentral incisors, lateral incisors, first molars second molars, canines

✖



The first permanent tooth to erupt in the oral cavity is the_____________?


aMandibular central incisor

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bMandibular first molar

✓


cMaxillary central incisor

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dMaxillaryr first molar

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While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?


a3-6 years

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b7-10 years

✓


c11-14 years

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d15-18 years

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View Answer 7-10 years

Dentition of humans is_______________?


aHerbivorous

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bOmnivorous

✓


cCarnivorous

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dNone of the above

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View Answer Omnivorous

A child has 12 permanent and 12 decidous teeth, what is his age____________?


a8½ years

✓


b11½ years

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c4½ years

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d13½ years

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View Answer 8½ years

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