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NEET MDS Shorts

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Prosthodontics

The inter-arch distance measured when the occlusal rims are in uniform contact is vertical dimension of occlusion.

40110
Periodontics

Dilantin therapy (Phenytoin) 


 Mechanism: Phenytoin-induced gingival overgrowth (PIGO) is fundamentally a non-inflammatory process where the drug directly stimulates gingival fibroblasts to produce excessive collagen and ground substance (a fibrotic, hyperplastic response).

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NEETMDS

According to the psychoanalytic theory proposed by Sigmund Freud, thumb sucking is considered an oral habit that stems from unresolved conflicts during the oral stage of psychosexual development.

98214
General Medicine

Crepitus is a characteristic sign of gas gangrene, which is often caused by Clostridium perfringens. This bacterium produces gas in tissues, leading to a crackling sensation upon palpation.

62066
Radiology

Lateral skull view is used for viewing all of the following except nasal septum.

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Oral Pathology

Carcinoma of the Lip

  • Occurs mostly in males: Lip carcinoma, particularly squamous cell carcinoma, is more common in males than females. This is often attributed to higher rates of tobacco and alcohol use, as well as increased sun exposure without protection.
  • Metastases easily: While lip carcinomas can metastasize, they do not typically do so as easily as other cancers. Squamous cell carcinoma of the lip can metastasize, but it is often localized initially.
  • Occurs mostly in the lower lip: This is true; the lower lip is the most common site for lip carcinoma due to greater sun exposure and thinner skin.
  • Is mostly basal cell type: This statement is misleading. While basal cell carcinoma is the most common skin cancer overall, squamous cell carcinoma is more prevalent in the lip region.

88747
Oral Surgery

The direction of the bevel of the chisel during bone cutting is towards the bone to be sacrificed.

54260
Radiology

The scientist who discovered that caries was the most common cause of extraction of teeth was Allen.

69191
Endodontics

Envelope flaps limit access to the operative site and often heal with scar formation due to inadequate blood supply at the incision line. Triangular and rectangular flaps provide better access and healing.

25617
General Microbiology

Amoebic dysentery stool is typically dark red and acidic, while bacillary dysentery stool is bright red and alkaline.

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