oral pathology and medicine MCQs – Page 25

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

oral pathology and medicine Mcqs
481. A dens in dente is usually caused by_______________?
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A. Denticle formation within the pulp tissue

B. An abnormal proliferation of pulp tissue

C. A supernumerary tooth bud enclaved within a normal tooth

D. A deep invagination of the enamel organ during formation
482. A 10-years-old child presents with anemia and recurrent fractures. The X-ray shows diffuse hyper density of bone The diagnosis is most likely to be______________?
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A. Osteochondroma

B. Osteogenesis imperfecta

C. Osteopetrosis

D. Hyperparathyroidism

483. On biopsy report of CGCG on the basis of histologically & morphological similarities differential diagnosis is made between____________?
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A. Fibrous dysplasia

B. Osteitis deformans

C. Hyperthyroidism

D. Hyperparathyroidism
484. Starch is considered to be less cariogenic than monosaccharides and disaccharides because it_______________?
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A. Does not diffuse through plaque

B. Raises the PH in the oral cavity

C. Enhances remineralisation

D. Is rapidly hydrolysed in the mouth

485. Hypodontia is mainly found in all except___________?
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A. Cleidocranialdysostosis

B. Papillion levefre syndrome

C. Osteopetrosis

D. Ectodermal dysplasia

486. Teeth that erupt with in 30 days of birth are called________________?
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A. Prenatal teeth

B. Natal teeth

C. Neonatal teeth

D. Primary teeth

487. Small palpable mass elevated above the epithelial surface is_____________?
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A. Plaque

B. Macule

C. Papule

D. Vesicle

488. Which of the following has the potential of undergoing Spontaneous malignant transformation _____________?
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A. Osteogenesis imperfecta

B. Pagets disease of bone

C. Osteomalacia

D. Albrights syndrome

489. The condition involved with an unerupted tooth or impacted tooth is _________________?
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A. Dentigerous cyst

B. All of the above

C. Adenomatoid odontogenic tumor

D. Mural ameloblastoma

490. Dental caries is associated with_____________?
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A. Streptococcus mutans

B. Streptococcus anginosus

C. Streptococcus bovis

D. Streptococcus agalactiae

491. Bifid tongue a congenital anomaly occurs due to non-fusion of____________?
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A. Tuberculum impar and lateral lingual swellings

B. Some of the above

C. Hypobranhiral eminence and tuberculum impar

D. The two lateral lingual swellings
492. A 4-year old child has less number of teeth and lateral incisors with bifurcated roots with two root canals is called_____________?
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A. Concrescence

B. Dilaceration

C. Fusion

D. Gemination

493. Which tooth in the permanent dentition is the most susceptible to dental caries ?
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A. Maxillary 1st premolar

B. Mandibular 1st molar

C. Mandibular 2nd molar

D. Maxillary 2nd molar

494. Early invading bacteria in carious lesions are called___________?
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A. Pioneer bacteria

B. Anaerobic bacteria

C. Microcosm

D. Advancing bacteria

495. The corrct order of microscopic zones of dentinal caries starting from the D.E junction is_______________?
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A. Zone of sclerosis, backterial invasion, decalcification zone

B. Decalcification zone, zone of scierosis, backterial invasion

C. Zone of sclerosis, decalcification zone, bacterial invasion

D. Bacterial invasion, decalcification zone, zone of sclerosis
496. Tobacco usage has been associated with_____________?
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A. None of the above

B. Hyperkeratosis

C. Erythema

D. Ulceration

497. A 3-year old patient reports of painless progressive bilateral facial swellings. The tentative diagnosis is______________?
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A. Monostotic fibrous dysplasia

B. Ployostotic fibrous dysplasia

C. Cherubism

D. Central giant cell granuloma

498. The prbable reasons for a high incidence of dental caries in the teenage population relates most directly to______________?
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A. Carelessness in oral hygiene habits

B. Negligence in visiting the dentist

C. Rapid growth

D. Frequency of sucrose intake
499. A bony hard asymptomatic swelling found on the midline of the hard palate that appears radiopaque on a radiograph is most likely a__________________?
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A. Boney cyst

B. Myxoma

C. Odontoma

D. Torus palatinus
500. Normal serum, Ca nd alkaline PO4 are in________________?
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A. Pagets disease

B. Hypothyroidism

C. Hyperparathyroidism

D. Cherubism