Oral Pathology Shorts - NEET MDS Dental PG Prep

#1 Oral Pathology

A black line on the gingiva which follows the contour of the margin is due to mercury.

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Answer

A black line on the gingiva which follows the contour of the margin is due to
1. Lead
2. Argyria
3. Iron
4. Mercury

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#2 Oral Pathology

Badges should be worn by dental technicians every 3 months to monitor radiation exposure.

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Answer

Badges should be worn by dental technician every
1. 1 month
2. 3 months
3. 6 months
4. 4 months

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#3 Oral Pathology

A white blood cell count of more than 100,000 cells/cc indicates leukemia.

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A White blood cell count of more than 1,00,000 cells/cc of blood indicates
1. Leukopenia
2. Leukocytosis
3. Leukaemia
4. Polycythaemia

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#4 Oral Pathology

All these conditions contain multinucleated giant cells histologically.

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The common feature of cherubusm, hyperparathyroidism and aneurysmal bone cyst is
1. All affect soft tissues only
2. All contain multinucleated giant cells histologically
3. All are of pituitary origin
4. All require aggressive therapy

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#5 Oral Pathology

Group 2 (Cleidocranial dysplasia, achondroplasia, craniofacial dysostosis) is characterized by relative/absolute mandibular prognathism. These conditions involve maxillary hypoplasia or underdevelopment, creating relative mandibular prognathism. Group 1 conditions (Treacher Collins, Pierre-Robin, Leontiasis ossea) are not typically associated with mandibular prognathism - Pierre-Robin has micrognathia, and Treacher Collins has mandibular hypoplasia.

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Answer

Which of the following group of diseases are characterized by relative/absolute mandibular prognathism
1. Treacher collins syndrome, Pierre-robin syndrome, Leontiasis ossea
2. Cleidocranial dysplasia, achondroplasia, craniofacial dyostosis
3. Both A and B
4. None of the above

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#6 Oral Pathology

Central giant cell granuloma characteristically presents as a single lesion in a single bone, typically the mandible or maxilla. In contrast, osteopetrosis affects multiple bones (generalized marble bone disease), Pagets disease commonly affects multiple bones (though it can be monostotic), and polyostotic fibrous dysplasia by definition affects multiple bones. CGCG is a localized reactive lesion.

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Answer

Which of the following diseases of the bone characteristically exhibits (in contrast to the other three conditions) a single lesion in a single bone?
1. Central giant cell granuloma
2. Osteopetrosis
3. Paget"s disease of the bone
4. Polyostotic fibrous dysplasia

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#7 Oral Pathology

Lesion of the facial nerve at the stylomastoid foramen leads to paralysis of the orbicularis oculi muscle.

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Lession of facial nerve at level of stylomastoid foramen leads to
1. Loss of taste sensation from anterior 2/3 of tongue
2. Paralysis of orbicularis oculi muscle
3. Losss of innervation to stapedius
4. Loss of lacrimal secretion

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#8 Oral Pathology

Histiocytosis X includes eosinophilic granuloma, Hand-Schuller-Christian disease, and Letterer-Siwe disease.

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Answer

The histiocytosis X is a spectrum of disorders, which include the following conditions
1. Eosinophilic granuloma
2. Hand-Schuller-Christian disease
3. Letterer-Siwe disease
4. All of the above

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#9 Oral Pathology

Periapical cemental dysplasia is a benign fibro-osseous lesion that typically affects the periapical bone of vital teeth, most commonly the mandibular anterior incisors. The condition evolves through three distinct stages:

Osteolytic stage: An initial stage characterized by bone resorption, appearing radiolucent (dark) on X-rays.

Cementoblastic (ossification) stage: A mixed stage where calcified material (cementum-like) begins to form within the radiolucent area, appearing as mixed radiolucent/radiopaque.

Mature stage: The lesion becomes predominantly radiopaque (white) as the calcification process completes.

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Answer

Which of the following has both osteolytic and ossification stages
1) Amelobastoma
2) Odontogenic cyst
3) Periapical cemental dysplasia
4) Complex odontoma

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