oral anatomy MCQs – Page 8

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

oral anatomy Mcqs
141. Lateral movement of condyle is caused by_____________?
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A. Contralateral lateral pterygoid muscle

B. Both lateral and medial pterygoid muscle

C. Epsilateral lateal pterygoid muscle

D. Bilateral contraction of lateral pterygoid muscle

142. The lingual cusp of lower first premolar is compared to the development of____________?
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A. Distolingual cusp of molars

B. Cusp of carabelli

C. Cingulam of canine

D. Lingual cusp of second premolar

143. Divergence from contact area in proximal surfaces causes embrasures____________?
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A. Cervically

B. Lingually

C. Facially, lingually , cervically & occlusally

D. Facially

144. On which of the following permanent teeth is it most difficult to distinguish between mesial and distal aspects ?
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A. Mandibular lateral incisor

B. Maxillary central incisor

C. Mandibular central incisor

D. Mandibular second premolar

145. Contact areas of anterior teeth which are placed in centre of middle third ____________?
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A. Distal contacts of maxillary centrals and laterals

B. Mesial contacts of maxillary lateral and canine

C. Mesial contacts of maxillary first and second premolar

D. Distal contacts of maxillary laterals and canine
146. Greater crown bulk distal to the faciolingual bisecting plane of a tooth is most typical of the mandibular_______________?
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A. Central incisor

B. Lateral incisor

C. Second premolar (AIPG 97, Man-95)

D. Canine
147. A pronounced developmental groove is usually present on the mesial marginal ridge of a permanent________________?
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A. Mandibular second premolar

B. Maxillary first premolar

C. Maxillary second molar

D. Mandibular third molar

148. Crown formation of all permanent teeth except third molars is completed between_____________?
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A. Birth to 8 years

B. Birth to 6 years

C. 6 years to 12 years

D. Birth to 12 years

149. Five cusps are present in___________________?
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A. Maxillary and Mandibular second molar

B. Maxillary and mandibular first molar

C. Maxillary first molar only

D. Mandibular first molar only

150. Steepest cusp is seen in_______________?
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A. Mandibular 2nd molar

B. Maxillary 1st premolar

C. Mandibular 1st molar

D. Maxillary 1st molar

151. The distance from the CEJ to the alveolar crest normally is____________?
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A. 1 1.5 mm

B. 3 mm

C. 2 2.3 mm

D. 2 mm

152. Single central pit is formed on occlusal surface of_______________?
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A. Maxillary first premolar

B. Maxillary second premolar

C. Mandibular second premolar

D. Mandibular first premolar

153. Which of the following is a smallest posterior tooth______________?
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A. Maxillary first premolar

B. Mandibular second premolar

C. Maxillary second premolar

D. Mandibular first premolar
154. Posterior embrasures are generally larger on the lingual than on the facial, with the contact area within the facial moiety, except between maxillary_______________?
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A. 1st and 2ndmolar

B. 1st premolar and cane

C. First molar and 2nd premolar

D. Premolars

155. A maxillary right canine may be distinguished from a maxillary left canine because ____________?
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A. Facially the cusp tip is placed distal to Bisecting line

B. The root curves to mesial in the apical 1/3rd

C. The distal half of canine shows more convexity than the mesical half

D. Lingually the cervical line slopes mesially

156. The shape of the occlusal surface of the permanent maxillary first molar is___________?
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A. Triangular

B. Rhomboidal

C. Trapezoidal

D. Oval

157. Articular disc of TMJ is__________?
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A. All of the above

B. Narrow in the centre

C. Strengthened by lateral pterygoid

D. Thickest posteriorly

158. The faciolingual angulation of the upper central incisor is approximately___________________?
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A. 33

B. 20

C. 28

D. 38

159. The interdental papilla is located in the______________?
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A. Lingual embrasure

B. Occlusal embrasure

C. Cervical embrasure

D. Facial embrasure

160. Thinnest labial plate is found in the region of____________?
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A. Upper canines

B. Lower central incisors

C. Lower canines

D. Upper central incisors