Oral Anatomy MCQs

Page No. 11

Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?


aBuccal

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bMesial

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cDistal

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dNone of the above

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View Answer Mesial

In the triangle formed by the projection of the orifices of the canals of a maxillary molar, the_________________?


aLine connecting mesial with distal is longest

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bLine connecting mesial with lingual is longest

✓


cLine connecting distal with lingual is longest

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dAngle at the mesio facial canal is obtuse

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The premolar with the occlusal groove pattern that may simulate the letter “Y” is________________?


aMaxillary first

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bMaxillary second

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cMandibular second

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dMandibular first

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View Answer Mandibular second

In which of the following a nonfunctional cusp is present________________?


aMaxillary 1st molar

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bMaxillary 2nd molar

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cMandibular 1st molar

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dMandibular 2nd molar

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View Answer Maxillary 1st molar

The two major fossa of permanent maxillary first molar________________?


aCentral fossa and mesial fossa

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bCentral and distal fossa

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cMesial and distal tringular fossa

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dDistal fossa and distal tringaular fossa

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Permanent mandibular first molar is developed from ______ lobes?


a3

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b4

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c5

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d6

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View Answer 5

Which of the following is true for permanent teeth________________?


aMaxillary roots are inclined distally where as Mandibular roots are inclined mesially

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bMaxillary molars are buccally inclined and Mandibular molars are inclined lingually

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cBuccal cusps of lower and lingual cusps of upper are the functional cusp

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dAll of the above

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View Answer All of the above

Which of the following is true of permanent first molar’s occlusal surface_____________?


aMaxillary molar has 2 major fossa, 2 minor fossa, 4 triangular ridges,1 oblique ridge and 5 grooves

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bMandibular molar has 1 major fossa, 2 minor fossa, 5 triangular ridges and 4 grooves

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cRhomboidal shape in maxillary molars and hexagonal shape in Mandibular molars

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dAll of the above

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View Answer All of the above

The maxillary tooth exhibiting the greatest variation in root alignment is______________?


aCentral incisor

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bFirst premolar

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cThird molar

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dSecond molar

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View Answer Third molar

The root trunk of permanent mandibular first molar buccally is______________?


aEqual is length to the mesial bifurcation of the maxillary first molar

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bEqual is length to the buccal bifurcation of the maxillary first molar

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cequal in length to the crown

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dNone of the above

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