oral pathology and medicine Mcqs
351. Which of the following factors in the stephans curve is related to the caries incidence and sugar intake______________?
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A. Ph of Plaque

B. Physical form of sugar

C. Quantity of sugar intake

D. Frequency of sugar intake

352. Albera-Schonbergs disease is______________?
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A. Osteomalacia

B. condensing osteitis

C. steomyelitis

D. Osteopetrosis
354. Which of the following is cariogenic ?
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A. Molybdenum

B. Strontium

C. Vanadium

D. Selenium
355. Static bone cyst is a cyst developing from______________?
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A. Tissue of the odontogenic apparatus

B. Tissue of the oral mucosa

C. Infection of Salivary gland in the mandible

D. None of the above
356. Transformation into osteosarcoma is seen with________________?
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A. pagets disease and polyostotic fibrous dysplasia

B. Cherubism and Polyostotic fibrous dysplasia

C. Cherubism and pagets disease

D. pagets disease and osteopetrosis

357. Firbroma combined with glandular tissue is_______________?
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A. Fibromyoma

B. Fibrolipoma

C. Neurofibroma

D. Fibroadenoma
358. The histological appearance of lava following around boulders in dentin dysplasia suggests_______________?
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A. Cascades of dentin to form root

B. Abnormal dentin formation in a disorganized fashion

C. Abrupt arrest to dentin formation in crown

D. Attempt to repair the defective dentin

360. Thistle-tube appearance of pulp chamber is a feature of______________?
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A. Amelogenesis imperfecta

B. Regional odontodysplasia

C. Cornal dentin dysplasia

D. Dentinogenesis imperfecta

361. MOst common route for metastasis of oral cancer is by_______________?
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A. Direct textension

B. Aspiration of tumor cells

C. Lymphatics

D. Blood vessels

362. Pagets disease of bone is a chronic disease of the________________?
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A. Infantile skeleton

B. Prepubertal skeleton

C. Pubertal skeleton

D. Adult skeleton
363. Fordyce granules mostly occurs in all of the following area EXCEPT________________?
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A. Alveolar ridge

B. Vermilion of the lip

C. Posterior tonsillar pillar

D. Palate

364. The most common supernumerary tooth form is______________?
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A. Tuberculated

B. Screw shaped

C. Conical

D. Incisor shaped

366. Corticosteroids are useful in treatment of TMJ arthritis because they have_____________?
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A. Inhibitory effect on synovial membrane

B. An analgesic effects

C. An anti-inflammatory effect

D. Analgesic and anti-inflammatory effect

367. Melanoma is_____________?
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A. Benign tumour of skin and mucous membrane

B. Malignant tumour of skin and mucous membrane

C. Benign tumor of melanophores

D. Malignant tumour of melanophores

368. Initiation of caries by streptococcus mutans is by the production of______________?
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A. soluble dextan and glucosyl transferase

B. Insoluble dextan and glucosyl transferase

C. Dextranase and soluble dextran

D. None of the above

369. Arecanut chewing is aetiological factor in______________?
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A. Oral dubmucous fibrosis

B. Erythema multiforme

C. Leukoedema

D. Oral lichen planus

370. Ghost teeth is seen in which of the following_________________?
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A. None of the above

B. Regional odontodysplasia

C. Dens is dent

D. Dentin dysplasia

371. Hecks disease is another name for_______________?
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A. Focal epithelial hyperplasia

B. Fibromatosis gingiva

C. Oral melanotic macule

D. Hereditary intestinal polyposis syndrome

372. Benign tumor which shows metastasis_____________?
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A. Warthins tumor

B. Neurofibroma

C. Keratocanthoma

D. Ameloblastoma
373. Large pulp chambers are characteristic of all the following conditions except_______________?
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A. Shell teeth

B. Tauradontisam

C. Dentin Dysplasia

D. Dentinogenesis imperfecta
374. Ossifying fibroma manifests as______________?
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A. Unilocular radiolucency

B. Unilocular radio opacity

C. Multilocular radiolucency

D. Multiocular radio opacity

E. Both A & B
375. Failure of descent of thyroid analage can be seen in the tongue______________?
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A. In anterior 2/3 of inferior surface

B. In anterior 2/3 of dorsal aspect

C. In posterior 1/3 of dorsal aspect

D. Near the base of tongue close to foramen caecum
376. The lateral spread of dental caries is facilitated mostly by the_______________?
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A. Enamel spindles

B. Striae of Retzius

C. Dentinoenamel junction

D. Enamel lamellae

378. White, spongy, folded thick mucosa is seen in____________?
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A. Oral hairy leukoplakia

B. Aspirin burn

C. White spongy nevus

D. Pseudomembranous Candidiasis

379. Turbid dentin in carious tooth is all EXCEPT_____________?
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A. Zone in which collagen is irreversibly denatured

B. Zone which can not be remineralized

C. Zone of bacterial invasion

D. Zone that need not be removed before restoration
380. Treatment for verrucous carcinoma is_______________?
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A. Laser technique

B. Surgery + radiotherapy

C. Alpha (a) interferon

D. Excision
381. The primary causative factor for myofacial pain dysfunction syndrome of the TMJ is_______________?
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A. Infratemporal space infection

B. Otitis media

C. Auriculotemporal neuritis

D. Muscular overextension and over contraction
382. Streptococcus mutans is considered to be principle etiologic agent of caries because it produces organic acids and it ________________?
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A. Forms a gelatinous matrix

B. Derives energy from enamel constituents

C. Lives symbiolically with lactobacillus

D. Metabolizes substrate from saliva

383. Eruption fails in this bone disease, as there is no bone resorption_______________?
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A. Phantom bone disease

B. Pagets disease

C. Primary hyperparathyroidism

D. Osteopetrosis
384. Oral foci of millers are seen in_______________?
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A. Syphilis

B. Lichen planus

C. Herpes simplex

D. Dental caries
385. Naso Labial cyst is thought to arise from_______________?
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A. Remnants of cell rests of embryonic lacrimalduct

B. Maxillary sinus lining epithelium

C. Remnants of cell rests of serrae

D. Remnants of cell rests of mallasez

386. Most common missing tooth in the permanent dentition is_____________?
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A. Maxillary first molar

B. Mandibular first molar

C. Maxillary canine

D. Mandibular second premolar
387. Which one of the following is the cause of dilacerations ?
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A. Abnormal displacement of ameloblasts during tooth formation

B. Abnormal proliferation of enamel epithelium during tooth development

C. Trauma to the tooth germ during root development

D. Abnormal displacement of tooth germ during root development

388. Which of the following is most common development cyst________________?
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A. Nasopalatine cyst

B. Median palatal cyst

C. Naso-alveolar cyst

D. Globulomaxillary cyst

391. Microdontia is most commonly seen affecting_______________?
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A. Mand. Central incisor

B. Max. lateral incisor

C. Mand. first premolar

D. Mand. Second premolar

392. Turners tooth is seen in_____________?
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A. enamel hypoplasia due to congenital syphilis

B. enamel hypoplasia due to birth injuries

C. enamel hypoplasia due to hypocalcemia

D. enamel hypoplasia due to local infection or local trauma
394. Which of the following is benign in nature_______________?
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A. lymphangioma

B. Leukemia

C. Melanoma

D. Lymphoma

396. Best results are obtained in oral submucous fibrosis is by______________?
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A. Intralesional placental extract

B. Intralesional cortisone therapy. with hyaluronic acid

C. Vitamin E and oral cortisone

D. Oral cortisone with intralesional therapy (cortisone)

397. Onion Skin appearance of radiographs is seen in______________?
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A. osteosarcoma

B. fibrous dysplasia

C. Ewings sarcoma

D. Chondrosarcoma

398. The most common bone tumor that occurs in children is_____________?
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A. Multiple myeloma

B. Ewings sarcoma

C. Osteosarcoma

D. Metastatic carcinoma

399. Odontodysplasia is most common in_________________?
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A. Mandibular premolar

B. Maxillary central incisor

C. Mandibular canine

D. Mandibular third molar

400. Most commonly submerged tooth is_______________?
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A. Mand. Primary 1st moral

B. Mand. Primary 2nd moral

C. Maxi. Primary 1st moral

D. Maxi. Primary 2nd moral