medical MCQs – Page 16

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 Review each marked answer and report any item that may be outdated or unclear.

301. False about anodontia_______________?
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A. May involve both the deciduous and the permanent dentition

B. In false anodontia tooth doesnt undergo full development

C. May involve a single tooth

D. In total anodontia all teeth are missing

302. Peg-shaped incisors which taper towards the incisal edge are typically seen in all of the following conditions EXCEPT______________?
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A. Supernumerary teeth

B. Rickets

C. Anhidrotic ectodermal dysplasia

D. Congenital syphilis

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

B. Pagets disease

C. Rickets

D. Cleidocranial Dysplasia

304. Multiple fractures are seen in______________?
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A. Osteogenesis imperfecta

B. Rickets

C. Osteomyelitis

D. Osteoma

305. Multiple osteomas, multiple polyposis, supernumerary teeth are found in _______ syndrome?
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A. Behcets

B. Reiters

C. Peutz jeghers

D. Gardners
306. For a bacterium to be seriously considered in the etiology of dental caries, it must______________?
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A. Exist regularly in the dental plaque

B. Produce extracellular amylopectins

C. Be lethal for gnotobiotic animals

D. Produce intracellular dextrans

307. Clavicle is absent is______________?
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A. Osteogenesis imperfecta

B. Fibrous dysplasia

C. Cleidocranial dysostosis

D. Osteopetrosis

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

B. Turners tooth

C. Enameloma

D. Ghost teeth

309. Static bone cyst is a cyst developing from______________?
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A. Tissue of the oral mucosa

B. Tissue of the odontogenic apparatus

C. Infection of Salivary gland in the mandible

D. None of the above
310. The most common cause of TMJ ankylosis is______________?
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A. Rheumatoid arthritis

B. Trauma

C. Osteoarthritis

D. Childhood illness

311. Starch is considered to be less cariogenic than monosaccharides and disaccharides because it_______________?
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A. Enhances remineralisation

B. Raises the PH in the oral cavity

C. Does not diffuse through plaque

D. Is rapidly hydrolysed in the mouth

312. The extra cellular polysaccharide sythesized by cariogenic streptococci in the presence of excess sucrose are best described as_______________?
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A. Dextran-like glucan

B. Amylopectin

C. Glycogen like glucan

D. Mucopolysaccharide

313. The cyst which is found within the bone at the junction of teh globular process, the lateral nasal process & maxillary process is______________?
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A. Naso palatine cyst

B. Mid palatine cyst

C. Naso-alveolar cyst

D. Globulomaxillary cyst
314. A 4-year old child has a normal complemented of primary teeth but they are gray and exhibit extensive occlusal and incisal wear. Radiographic examination indicates extensive deposits of secondary dentin in these teeth. Most likely this condition is______________?
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A. Cleidocranial dysplasia

B. Amelogenesis imperfecta

C. Dentinogenesis imperfecta

D. Neonatal hypoplasia

315. Generalised hyper cementesis is seen in_______________?
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A. Hypophosphatasia

B. Pagets disease

C. Fibrous dysplasia

D. Cherubism

316. The most common supernumerary tooth form is______________?
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A. Conical

B. Incisor shaped

C. Tuberculated

D. Screw shaped

317. Anodontia affects the growth of________________?
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A. Mandible

B. Cranium

C. Maxilla

D. Alveolar bone
318. The primary causative factor for myofacial pain dysfunction syndrome of the TMJ is_______________?
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A. Muscular overextension and over contraction

B. Otitis media

C. Auriculotemporal neuritis

D. Infratemporal space infection

319. Anti-convulsants frequently used in management of trigeminal neuralgia are_______________?
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A. Baclofen

B. All of the above

C. Phenytoin

D. Gabapentin

320. 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. Generalised dental fluorosis

B. Rickets hypomineralisation

C. Syphillitic hypoplasia

D. Turners hypoplasia