Oral Anatomy MCQs

Page No. 7

The lingual cusp of lower first premolar is compared to the development of____________?


aCusp of carabelli

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bDistolingual cusp of molars

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cLingual cusp of second premolar

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dCingulam of canine

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View Answer Cingulam of canine

The geometric outline of the buccal surface of posterior teeth are_______________?


aTrapezoidal

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bRhomboidal

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cQuadrilateral

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dSquare

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View Answer Trapezoidal

Fourth canal is present in_____________?


aMesiobuccal roots of maxillary first molar

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bDistal root of mandibular first molar

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cBoth of the above

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dNone of the above

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View Answer Both of the above

The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?


aCusps

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bRoots

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cMarginal ridges

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dLingual grooves

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View Answer Cusps

If the pulp of a single rooted tooth canal were triangular in cross section with the base of the triangle located facially and the apex lingually with a longer mesial side than distal side; the tooth most likely is_____________?


aMaxillary central incisor

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bMaxillary second premolar

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cMandibular lateral incisor

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dMandibular central incisor

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The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________?


aNumber of roots

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bDepth of central fossae

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cComparative size of the cusp of carabelli

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dRelative position of the distolingual grooves

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Which of the following has a nonfunctional cusp ?


aMandibular canine

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bMaxillary second premolar

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cMandibular first premolar

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dNone of the above

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The term diphydont means____________?


aSecond dentition

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bTwo same sets of dentition

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cTwo separate sets of dentition

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dMore than two sets of dentition

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The number of point angles in a permanent mandibular first molar is_____________?


a6

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b8

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c4

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d10

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View Answer 4

Which of the following tooth shows largest Mesio- buccal ridge _____________?


aMaxillary 1st premolar

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bMaxillary 2nd premolar

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cMandibular 1st molar

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dMandibular 2nd premolar

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