medical MCQs – Page 268

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

5341. 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)

5342. 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

5343. The total number of cingula in each dentition is_______________?
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A. 6

B. 12

C. 24

D. 32

5344. 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

5345. 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

5346. 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

5347. 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

5348. Largest cusp in permanent mandibular first molar is__________________?
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A. Mesiobuccal

B. Mesio lingual

C. Distal

D. Distobuccal

5349. Which anterior teeth have both mesial and distal contact areas of at the incisal third____________?
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A. Mandibular centrals

B. Mandibular laterals

C. Both A and B

D. None of the above

5350. Which bifurcation is closet to the cervical line (or) which surface has short root trunk length in a maxillary permanent first molar ?
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A. None of the above

B. Buccal

C. Mesial

D. Distal

5351. Distal contact of upper first premolar is________________?
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A. Lower than mesial contact area

B. Higher than mesial contact area

C. Little cervical to junction of occlusal and middle third of crown

D. A and B

5352. Using occlusal morphology as guide , the Mandibular third molar is most similar to______________?
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A. Mandibular permanent second molar

B. Mandibular permanent first molar

C. Mandibular decidous second molar

D. Maxillary permanent first molar

5353. An 8 yr old child comes to your clinic with large front teeth having jagged margins, what is the treatment plan for this patient ?
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A. Smoothen the jagged margins and apply fluoride varnish

B. Extraction of big teeth

C. Assure him and send him back

D. Build up other teeth to large size

5354. The largest permanent tooth in the mouth usually is_____________?
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A. Mandibular canine

B. Mandibular first molar

C. Maxillary first molar

D. Maxillary canine

5355. Largest tooth in the mandibular arch is_________________?
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A. Third molar

B. Permanent first molar

C. Canine

D. Decidous first molar

5356. Tritubercular cusps are_______________?
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A. ML

B. MB

C. DB

D. All of the above

5357. Which of the following tooth shows largest Mesio- buccal ridge _____________?
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A. Mandibular 2nd premolar

B. Maxillary 1st premolar

C. Mandibular 1st molar

D. Maxillary 2nd premolar

5358. The contact area on the distal side of a maxillary first premolar is located _____________?
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A. Middle of the middle third with lingual embrasure wider than buccal

B. Middle of the middle third with buccal embrasure wider than lingual

C. Cervical third with buccal embrasure wider than lingual embrasure

D. Litter cervical to the junction of occlusal and middle third of the crown with wide occlusal embrasure

5359. Basically TMJ is a_____________?
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A. Ball and socket joint

B. Hinge and axis joint

C. Synovial joint

D. Diartmodal joint

5360. Corner stones of dental arches are:
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A. First premolars

B. Canines

C. Second molars

D. First molars

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