oral anatomy MCQs – Page 6

Practise focused oral anatomy questions with marked answers for exam preparation and subject revision.

oral anatomy Mcqs
101. Maxillary primary cuspid enamel completion takes place at______________?
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A. 6 months in utero

B. 6 months after birth

C. 9 months after birth

D. 9 months in utero

102. The side towards which mandible moves is called the_____________?
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A. Non- working side

B. Working side

C. Balancing side

D. Tooth contact side

103. Which of the following moment are performed by a non- working condyle ?
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A. Down wards forwards and lateral

B. Straightward

C. Down wards forwards and medial

D. Down wards Back wards and medial

104. What is the amount of time required by erupting premolar to move through 1 mm of bone as measured on a bite wing radigraph ?
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A. 4-5 months

B. 3-4 months

C. 6-7 months

D. 5-6 months

105. Transverse ridge is prominent on occlusal surface of which of the following decidous teeth ?
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A. Mandibular first molar

B. Maxillary first molar

C. Maxillary second molar

D. Mandibular second molar

106. How many roots does a primary maxillary first molar have ___________?
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A. One

B. Three

C. Two

D. Four

107. In an ideal occlustion buccal cusps of maxillary teeth, occlude with______________?
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A. Occlusal pits and fissures of mandibular teeth

B. Lingual cusps of mandibular teeth

C. Grooves and embrasures

D. Fossa and rdges

108. The correct dentition in a 9- years old child is_____________?
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A. 123456

B. 123DE6

C. 12C456

D. 12 CDE6
109. Root completion of the mandibular first molar takes place by the age_______________?
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A. 9-10 years

B. 8-9 years

C. 7-8 years

D. 10 11 years

110. In centric occlusion, the cusp tip of the maxillary canine is in alignment with which mandibular tooth_____________?
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A. Facial embrasure of canine and premolar

B. Mesial ridge on the facial cusp of mandibular first premolar

C. Distal ridge of the cusp of mandibular canine

D. incisal embrasure of canine and premolar

111. Before eruption the position of permanent mandibular incisor buds relative to primary incisors is_____________?
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A. Inferior and lingual

B. Superior and lingual

C. Inferior and facial

D. Superior and facial

112. The first macroscopic indication of morphologic development of primary incisors approximately at____________?
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A. 14 weeks in utero

B. 6 weeks in utero

C. 16 weeks in utero

D. 11 weeks in utero
113. The largest embrasure in posterior teeth is the__________?
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A. Distal

B. Occlusal

C. Buccal

D. Lingual
114. Which of the following movement (s) is / are involved in the opening of the mouth?
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A. Hinge followed by translation

B. Translation followed by hinge

C. Only translation

D. Only hinge ( rotation )

115. The widest incisal embrasure is normally found between which of the following permanent maxillary teeth _____________?
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A. Central incisors

B. First and 2nd premolar

C. Lateral incisor and canine

D. Central and lateral incisors

116. Permanent Mandibular central incisor develops from_____________?
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A. 3 lobes

B. 1 lobe

C. 5 lobes

D. 4 lobes
117. Which of the following is the largest root_____________?
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A. The lingual root of a maxillary second molar

B. The root of a maxillary canine

C. The root of a mandibular canine

D. The lingual root of a maxillary first molar

118. Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?
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A. More pronounced lingual fossa

B. Flattened root

C. Thinner incisal ridge

D. Sharper proximal incisal angles

119. Which of the following muscles moves the condyle and articular disc anterior and downwards on glenoid fossa______________?
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A. Lateral pterygoid

B. Temporalis posterior fibers

C. Medial pterygoid

D. Temporalies- anterior fibers

120. The mesial surface of the crown is almost parallel to long axis and the root of a______________?
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A. Maxillary 1st premolar

B. Maxillary canine

C. Mandibular canine

D. Mandibular 2nd premolar