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


bMesial


cDistal


dNone of the above


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


bLine connecting mesial with lingual is longest


cLine connecting distal with lingual is longest


dAngle at the mesio facial canal is obtuse



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


aMaxillary first


bMaxillary second


cMandibular second


dMandibular first


View Answer Mandibular second

In which of the following a nonfunctional cusp is present________________?


aMaxillary 1st molar


bMaxillary 2nd molar


cMandibular 1st molar


dMandibular 2nd molar


View Answer Maxillary 1st molar

The two major fossa of permanent maxillary first molar________________?


aCentral fossa and mesial fossa


bCentral and distal fossa


cMesial and distal tringular fossa


dDistal fossa and distal tringaular fossa



Permanent mandibular first molar is developed from ______ lobes?


a3


b4


c5


d6


View Answer 5

Which of the following is true for permanent teeth________________?


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


bMaxillary molars are buccally inclined and Mandibular molars are inclined lingually


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


dAll of the above


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


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


cRhomboidal shape in maxillary molars and hexagonal shape in Mandibular molars


dAll of the above


View Answer All of the above

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


aCentral incisor


bFirst premolar


cThird molar


dSecond molar


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


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


cequal in length to the crown


dNone of the above



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