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For further information, see CMDT Part 8-19: Intraoral Ulcerative Lesions

Key Features

  • Trench mouth, Vincent infection

  • Often caused by an infection with both spirochetes and fusiform bacilli

  • Is common in young adults under stress (classically at examination time)

  • Underlying systemic diseases may also predispose to this disorder

Clinical Findings

  • Painful acute gingival inflammation and necrosis, often with bleeding

  • Halitosis

  • Fever

  • Cervical lymphadenopathy


  • Clinical


  • Warm half-strength peroxide rinses and penicillin (250 mg three times daily orally for 10 days) may help

  • Dental gingival curettage may prove necessary

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