Vincent Infection (Acute Necrotizing Ulcerative Gingivitis)

Vincent Infection
(Acute Necrotizing Ulcerative Gingivitis)

Overview: Similar to Vincent's angina.

Aetiology

Causative Organisms:
  • Fusiform bacillus
  • Spirochaete (Borrelia vincentii)

Affected Group: Young adults and middle-aged persons.

Clinical Features

Vincent Infection (Acute Necrotizing Ulcerative Gingivitis)
Vincent Infection (Acute Necrotizing Ulcerative Gingivitis)

Progression

Starts at Interdental Papillae
↓
Spreads to Free Margins of Gingivae

Signs

  • Gingivae become covered with necrotic slough.
  • Gingivae become red and oedematous.
  • Vincent's Angina: Similar ulcer and necrotic membrane may form over the tonsil.

Diagnosis & Treatment

Diagnosis: Made by smear from the affected area.

Treatment

Modality Details
Systemic Antibiotics Penicillin OR Erythromycin
+ Metronidazole
Local Care Frequent mouth washes (Sodium bicarbonate solution).
Hygiene Attention to dental hygiene.
📚 Source: ENT Notes

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