800 Questions Anatomic Sciences_pag210

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Questions: 63-83 195
73. In an ideal dentition, which of the following
teeth occludes with only one other tooth in
the opposing arch during the full range of
mandibular movements?
A. Mandibular 1st molar
B. Mandibular lateral incisor
C. Mandibular central incisor
D. Maxillary lateral incisor
E. Maxillary central incisor
74. A maxillary molar has _____ fossae; and the
mandibular molar has _____ fossae on the
occlusal surface.
A. 3; 3
B. 3; 4
C. 4; 3
D. 4; 4
75. Maxillary 1st molars are wider mesiodistally on
the buccal than the lingual. Mandibular 1st
molars are wider on the lingual than buccal.
A. Both statements are true.
B. Both statements are false.
C. The first statement is true; the second is
false.
D. The first statement is false; the second is
true.
76. What TMJ ligament is derived from the 1st
branchial arch?
A. Temporomandibular 
B. Sphenomandibular
C. Stylomandibular
D. Lateral
77. Which of the following is the term for a
supernumerary tooth in the maxillary anterior
region?
A. Mesiodens
B. Distodens
C. Dens-in-dente
D. Paramolar
E. Talon cusp
78. Which of the following cusp tips passes
through the buccal groove of mandibular 1st
molar during a working-side movement?
A. MB of maxillary 1st molar
B. DB of maxillary 1st molar
C. ML of maxillary 1st molar
D. DL of maxillary 1st molar
E. Buccal of maxillary 2nd premolar
79. The primary maxillary 1st molar most closely
resembles which permanent tooth?
A. Mandibular 1st molar
B. Mandibular 2nd molar
C. Maxillary 1st premolar
D. Maxillary 1st molar
E. Maxillary 2nd molar
80. The facial height-of-contour of the maxillary
2nd premolar is in what segment of the
crown?
A. Incisal 3rd
B. Junction of the incisal and middle 3rds
C. Middle 3rd
D. Junction of the middle and cervical 3rds
E. Cervical 3rd
81. Ordinarily, a 7-year-old child would have
what teeth clinically visible in the mouth?
A. All 20 primary teeth and 4 permanent 1st
molars
B. 18 primary teeth and 2 permanent teeth
C. 16 primary teeth and 8 permanent teeth
D. 12 primary teeth and 12 permanent teeth
82. In an Angle class III malocclusion, the cusp
tip of the maxillary canine is located
A. distal to the buccal embrasure created by
the mandibular canine and 1st premolar.
B. centered in the embrasure created by the
mandibular canine and 1st premolar.
C. mesial to the buccal embrasure created by
the mandibular canine and 1st premolar.
D. none of the above.
83. The 2nd largest cusp on a mandibular 2nd
molar is the
A. mesiolingual.
B. distolingual.
C. mesiobuccal.
D. distobuccal.
E. distal.
Dental Anatomy
and Occlusion 
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