NUG


Symptoms of NUG (necrotizing ulcerative gingivitis)

  • Enlarged lymph node
  • Fever & malaise
  • Hyper salivation
  • Bleeding
  • Fiery red gingiva, necrosis
  • Punched out papillae
  • Extreme pain
  • Fetor oris

Four zones of NUG as shown by Listgarten

  1. bacterial zone
  2. neutrophil-rich (PMN) zone
  3. necrotic zone
  4. infiltration of spirochetes (250 um)

Etiologic factors of NUG

  • malnutrition
  • emotional stress
  • smoking
  • compromised immune system
  • PMN defect
  • HIV +
  • young age

Treatment of NUG

  • pain relief
  • debride carefully (supragingival)
  • topical antibiotics not useful
  • PCN or metronidazole for 7 days if systemic symptoms are present
  • NUG
  • instructions
  • rest, drink fluid,
    avoid smoking & alcohol
    nutritional supplement (Vit B, C)
    rinse with H2O2 or CHX
    brush & floss
  • postpone all perio procedures
  • antibiotic prophylaxis in case of emergency
  • after healing, comprehensive perio exam & treatment

Healing of NUG lesions

  • crater formation –> plaque trap:  may require surgical revision

Do not use:

  • phenol
  • silver nitrate
  • chromic acid

systemic antibiotics

  • only in pt with toxic systemic complications or local adenopathy
  • only to be used as an adjunc

Supportive systemic treatment

  • fluid
  • analgesics
  • bed rest
  • malaise, high fever, general debility

Nutritional supplements

  • NUG may be caused by nutritional deficiency
  • Difficulty in chewing
  • Fewer recurrence with Vit B & C supplement
  • therapeutic dose of Vit B & C