oral pathology and medicine MCQs – Page 17

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

oral pathology and medicine Mcqs
321. Organism involved in smooth surface caries is____________?
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A. ampylobacter

B. treptococcus mutans

C. ctinomyces viscosus

D. actobacillus

322. Immature bony trabeculae are found in_____________?
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A. Fibrous dysplasia

B. Rickets

C. Cleidocranial Dysplasia

D. Pagets disease

323. The attachment of the Actinomyces species to the tooth surface is facilitated by____________?
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A. Cilia

B. Flagella

C. Fimbriae

D. Pseudopodia

324. A permanent tooth with a local hypoplastic deformity in a crown is called_______________?
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A. Taurodontism

B. Enameloma

C. Turners tooth

D. Ghost teeth

325. A patient with multiple impacted supernumerary teeth and can bring his shoulders together is suffering from______________?
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A. Cleidocranial dysostosis

B. Klinefelters syndrome

C. Trisomy 21

D. Downs syndrome

326. The most common congenital defect of the face and jaws is___________________?
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A. Macrostomia

B. Cleft lip and palate

C. Ectodermal dysplasia

D. Fetal alcohol syndrome

327. Taurodontism is usually seen in_________________?
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A. Mandibular first molar

B. Mesiodens

C. Maxillary premolars

D. Incisor with talon/cusp

328. Dentinogensis imperfecta differs from amelogenesis imperfecta in that, the former is_____________?
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A. A hereditary disturbance

B. The result of faulty enamel matrix formation

C. The result of excessive fluoride ingestion

D. Characterized by calcification of pulp chambers and the root canals of the teeth
329. Bohns nodules are______________?
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A. Warts on the tongue

B. Cystic swellings in neonates

C. Cysts associated with soft palate

D. Cysts of gingiva in growing children

330. Dense in dente is most commonly seen in______________?
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A. Maxillary canine

B. Paramolars

C. Paramolars

D. Lateral incisors
331. Sturge Weber syndrome is characterized by all EXCEPT_________________?
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A. Facial hematoma

B. Tramline calcification of dura on lateral cephalogram

C. Facial hemangioma

D. Exophytic oral Hemangioma

332. Neoplastic transformation in leucoplakia is seen most commonly in _____________?
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A. Palate

B. Floor of mouth

C. Lateral border of tongue

D. Buccal mucosa

333. Lateral skull view of palatal tori is used to know______________?
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A. Bone pattern

B. Extent

C. Pneumatization

D. Location

334. A patient complains of numbness of lower lip. There is no history of tooth extraction. It could be______________?
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A. Dental Manipulation

B. Infection

C. Metastatic neoplasia

D. CNS disease

335. In a patient with reduced salivary flow the carious incidence is_______________?
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A. unaffected

B. less than the patient with normal salivary flow

C. More than the patient with normal salivary flow

D. None of the above

336. A 6 year old patient with extra cusp on maxillary central incisor is associated with all except______________?
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A. Proteus Syndrome

B. Mohrs syndrome

C. Sturge-Weber Syndrome

D. Rubinstein Taybi Syndrome

337. A 7-year old child having yellowish discoloured spot of maxillary central incisor. His mother presents a history of injury to deciduous tooth 3 years back with recurrent infection & swelling. The diagnosis is_______________?
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A. Rickets hypomineralisation

B. Generalised dental fluorosis

C. Turners hypoplasia

D. Syphillitic hypoplasia

338. The 2nd common most supernumerary teeth is________________?
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A. Mesiodens

B. Distal to mandibular 3rd molar

C. Para molars

D. Distal to 3rd molar in maxilla
339. Gemination of teeth occur due to______________?
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A. Division of a single tooth bud before calcification

B. Fusion of two teeth after calcification

C. Division of a single tooth bud after calcification

D. Fusion of two teeth before calcification

340. Intitation of dental caries depends upon_______________?
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A. Localization of acid over tooth surface

B. Availability of carbohydrate food

C. Formation of large amount of acid

D. Viscosity of saliva