Necrotizing Ulcerative Gingivitis


Etiology:        Fusiform and spirochete microorganisms. Other factors include: poor oral hygiene, smoking, mental/physical stress, previous marginal gingivitis or periodontitis, inadequate sleep, or recent illness.


Description:  Components of normal flora invade gingival tissue when resistance is decreased secondary to stress, poor diet, and illnesses. Blunting of interdental papilla and halitosis is present. Acute inflammatory gingival disease characterized by destruction of interdental papillae and gingiva.

        Ulceration      Interdental Papilla
Grayish Pseudomembrane

Treatment Planning:

  • Antibiotics if lymphadenopathy is present.

  • Instruct on brushing & flossing after dental debridement.

  • Chlorhexidine oral rinse.

  • Metronidazole 200 mg tid for one week.

(Gandolfo, 2006)
ORAL00000016.gif Common Oral Lesions