ANUG

ETIOLOGY

ORAL SYMPTOM

FUSOSPIROCHETAL COMPLEX

metallic taste

zones of ANUG

Listgarten zones

Borellia vincentii

irritation on eating hot and spicy food

VIBRIO

pasty saliva

spontaneous bleeding

Zone 1: Bacterial zone

Zone 2: Neutrophil rich zone

T.microdenitum

Zone 3: Necrotic zone

neutrophil rich zone

necrotic zone

ORAL SIGNS

P.intermedia

Zone 3: Spirochaetal infiltration

bacterial zone

zone of spirochete

PRE DISPOSING FACTORS

Management

Alleviation of acute inflammation

Fever

Malnutriton

Alleviation of generalized symptoms

Stress

Smoking

Correction of Local factors

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Immunocompromised

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Interdental crater like depression

gray psuedomembraneous formatiom

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STAGING

NECROSIS OF TIP OF INTERDENTAL PAPILLA

NECROSIS OF ENTIRE PAPILLA

NECROSIS OF MARGINAL GINGIVA

NECROSIS OF ATTACHED GINGIVA

NECROSIS OF BUCCAL AND LABIAL MUCOSA

NECROSIS OF ALVEOLAR BONE

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NECROSIS PERFORATING SKIN OF CHEEK

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