oral anatomy MCQs – Page 11

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

oral anatomy Mcqs

201. Rounded protuberances on the incisal edges of newly erupted permanent incisors are____________?
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A. Tubercles

B. Mamelons

C. Cingulum

D. Enamel pits

202. Which of the following has a nonfunctional cusp ?
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A. Mandibular canine

B. Maxillary second premolar

C. Mandibular first premolar

D. None of the above

203. Which line angle area is most acute when a permanent maxillary second molar is viewed occlusally ?
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A. Distofacial

B. Distolingual

C. Mesiolingual

D. Mesiofacial

204. The geometric outline of the buccal surface of posterior teeth are_______________?
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A. Square

B. Quadrilateral

C. Trapezoidal

D. Rhomboidal

205. In comparison to maxillary central incisor , Maxillary canine has a height of contour that is______________?
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A. Same

B. Less

C. More

D. Different on different teeth

206. On opening the mouth , if the jaw deviates to the right side, it indicates the paralysis of__________?
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A. Left medial pterygoid

B. Right lateral pterygoid

C. Right medial pterygoid

D. Left lateral pterygoid

207. The number of point angles in a permanent mandibular first molar is_____________?
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A. 8

B. 10

C. 6

D. 4

208. Mesial concavity making the prognosis poor for a furcation involvement is present in_____________?
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A. Maxillary 2nd premolar

B. Maxillary 1st premolar

C. Mandibular 1st premolar

D. Maxillary canine

209. Mesial contact area of the permanent canine is at the______________?
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A. None of the above

B. Junction of the middle and cedrvical thirds

C. Junction of the incisal and middle thirds

D. Middle third

210. In maxillary 1st permanent molar, the 2 obtuse angles are________________?
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A. Mesiolingual and mesiofacial

B. Distofacial and mesiofacial

C. Mesiofacial and distolingual

D. Distofacial and mesiolingual

211. The permanent anterior tooth, which is most 20. Commonly atypical , is_____________?
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A. Maxillary central incisor

B. Mandibular 1st premolar

C. Mandibular central incisor

D. Maxillary lateral incisor

212. All embrasure spaces are reflection of the______________?
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A. Form of the teeth involved

B. None of the above

C. Size of the teeth involved

D. Eruption sequence involved

213. The maxillary tooth exhibiting the greatest variation in root alignment is______________?
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A. Third molar

B. First premolar

C. Second molar

D. Central incisor

214. A distinguishing characteristic of a maxillary first premolar that identifies it as right or left is the________________?
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A. Flattened area beneath the contact on the distal surface

B. Mesial inclination of the lingual cusp

C. Height of the lingual cusp

D. Greater length of the mesial cusp ridge on the lingual cusp ( AIPG- 98)

215. Buccal surface of posterior teeth are wider than lingual surface mesiodistally except in______________?
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A. Mandibular first molar

B. Maxillary first molar

C. Mandibular second premolar

D. Maxillary second premolar

216. The total number of cingula in each dentition is_______________?
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A. 6

B. 12

C. 24

D. 32

217. Which of the following premolars has a mesial marginal ridge more cervical than the distal marginal ridge________________?
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A. Mandibular 1st premolar

B. Mandibular 2nd premolar

C. Maxillary 1st premolar

D. Maxillary 2ndpremolar

218. Largest embrasure lies between______________?
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A. Maxillary lateral incisor and canine

B. Maxillary central incisors

C. Maxillary canine and first premolar

D. Maxillary central and lateral incisor

219. Acute angled cusps in permanent maxillary first molar are_____________?
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A. MB and DB

B. ML and DL

C. DB and ML

D. MB and DL

220. All are true about calciotraumatic line, except______________?
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A. Due to caries

B. It remains after caries is removed

C. Due to death of odontoblastic layer

D. Because of odontoblastic migration from cell rich zone

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