oral pathology and medicine Mcqs
402. Keratocanthoma is found most commonly on ?
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A. Hard palate

B. Lip

C. Tongue

D. Gingiva

403. Widely accepted theory of dental caries_____________?
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A. Proteolytic chelation theory

B. Proteolytic theory

C. Autoimmune theory

D. Acidogenic theory
406. Plasma cell tumour of bones with B-lymphocytic origin is ______________?
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A. Plasmacytoma

B. Multiple myeloma

C. Burkitts lymphoma

D. None of the above

E. Both A & B
407. The following lesion is a doubtful premalignant lesion for oral malignancy________________?
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A. Chronic hyperplastic candidiasis

B. Leukoplakia

C. Oral lichen planus

D. Erythroplakia

410. PARULIS is an inflammatory enlargement seen in_______________?
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A. Due to irritation from calculus / over hanging restoration

B. End of sinus tract

C. None of the above

D. Extraction Socket

411. The cyst located at the junction of medial nasal process, lateral nasal process and maxillary process is________________?
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A. Nasopalatine cyst

B. Median palatine cyst

C. Nasoalveolar cyst

D. Globulomaxillary cyst

413. Hypoplastic defects in permanent central and lateral incisors are likely to result due to severe illness or other factors during_______________?
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A. Two or three years of life

B. First month of life

C. First two years of life

D. First nine month of life
415. Dentinogenesis imperfecta is________________?
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A. Autosomal recessive

B. Not a inheritable trait

C. Autosomal dominant

D. Se* linked recessive

416. Hamartoma is _____________?
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A. Neoplastic

B. Afflicted by trauma

C. Hormonal distubance

D. Non-neoplastic
417. The tissue of which lesion has been described as resembling a blood sponge with large pores_____________?
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A. Eruption hematoma

B. Capillary hemangioma

C. Aneurysmal bone cyst

D. Cavernous hemangioma

418. Diffuse erythema (pinpoint petechiae) and white patches in smokers palate occur due to________________?
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A. Complete obstruction to minor salivary gland orifices

B. Excessive orthokeratinization of the palate

C. Keratinization with partially occluded minor salivary glands

D. Diffuse parakeratinization of the palate

419. Complete obliteration of pulp is seen in all except_______________?
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A. Type III dentinogenesis imperfecta

B. Type I dentinogenesis imperfecta

C. Dentin dysplasia

D. Type II dentinogenesis imperfecta
420. Oral ulceration resembling Apthae are encountered in____________?
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A. Chronic smokers

B. Gluten enteropathy

C. Excess of B-complex

D. Anti-malarial medication

421. 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

424. Which of the following is unlikely to cause enamel hypoplasia ?
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A. Congenital syphilis

B. Fluoride

C. Rickets

D. Cleidocranial dysostosis
425. Clinical evidence of dentinogenesis imperfecta is______________?
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A. Defective dentine and obliterated pulp chamber

B. Oligodontia

C. Increased rate of caries

D. Defective enamel and dentine

426. Brachytherapy means ___________?
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A. Radiation involving normal tissues

B. Radiation administered interstially through catheters

C. Lasers

D. Chemotherapy

428. Hodgkins disease is considered to be________________?
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A. Chronic granulomatous disease

B. A malignant neoplasm

C. Inflammatory disease

D. Follilcular reticulosis

430. Taurodontism is seen in ________________?
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A. Klinefelters syndrome

B. Turner syndrome

C. Down syndrome

D. Sturge weber syndrome

431. Estein Pearls are________________?
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A. Gingival cyst of newborn

B. Enamel pearls

C. Gingival cyst of adult

D. Epithelial rests

432. Dental anomaly of teeth associated with defective bone formation is seen in_______________?
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A. amelogenesis imperfecta

B. Odontodysplasia

C. dentinogenesis imperfecta

D. Osteitis deformans

435. In Treacher collins syndrome there is________________?
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A. Poorly developed or absence of malar bones

B. Upward sloping of the palpebral fissure

C. No loss of hearing

D. Progenia and mandibular prognathism

436. Mottled enamel is due to______________?
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A. Excess of fluoride

B. Vitamin A deficiency

C. Teratogens

D. Vitamin D deficiency

437. Premaxilla-premaxillary cyst_________________?
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A. Globulomaxillary cyst

B. Nasopalatine cyst

C. Nasoalveolar cyst

D. Incisive canal

438. Acanthosis is_____________?
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A. Disruption of basal lamina

B. Increase in thickness of superficial layer

C. Increase in thickness of spinous layer

D. Increase in mitotic division

439. Fordyces spots are________________?
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A. Present on the cheek mucosa lateral to angle of the mouth

B. Red spots

C. All of the above

D. Fat tissue embedded in buccal mucosa

440. Hutchinsons incisiors are present in________________?
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A. Tertiary syphilis

B. Acquired syphilis

C. congenital syphilis

D. Secondary syphilis

441. Which of the following is NOT a clinical feature of Pierre-Robin syndrome ?
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A. Coloboma of lower eyelid

B. Glossoptosis

C. Retrognathia

D. Micrognathia

442. Commonest site of carcinoma of tongue____________?
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A. Ventral surface

B. Posterior one third

C. Tip of tongue

D. Lateral margin
443. Clavicle is absent is______________?
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A. Osteogenesis imperfecta

B. Osteopetrosis

C. Cleidocranial dysostosis

D. Fibrous dysplasia

445. The torus mandibularis most commonly seen in the region of______________?
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A. Premolar region

B. Molar region

C. Incisor region

D. Canine region

446. Which of the following is an oral precancer ?
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A. White spongy naevus

B. Leukemia

C. Oral hairy leukoplakia

D. Speckled Leukoplakia
447. Mulberry molars are characteristic features of_____________?
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A. Due to chronic suppurative abscess in over lying gingival tissue

B. congenital syphilis

C. Trauma at the time of birth

D. Severe flurosis

448. The term dilaceration refers to______________?
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A. A deformity of a tooth consisting of a sharp bend bend in the root

B. A tooth that is fractured at two or more places

C. A root or tooth that is split into two

D. Abrasions on two surfaces of single tooth

449. Cysts associated with vital teeth are_______________?
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A. Dentigerous cyst, Globulomaxillary cyst, radicular cyst

B. Dentigerous cyst OKC, radicular cyst

C. Dentigerous cyst, Globulomaxillary cyst, lateral periodontal cyst, OKC

D. B & C