What causes acute necrotizing ulcerative gingivitis (ANUG)?

Updated: Jan 18, 2018
  • Author: James M Stephen, MD, FAAEM, FACEP; Chief Editor: Jeff Burgess, DDS, MSD  more...
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Acute necrotizing ulcerative gingivitis

  • Acute necrotizing infection may occur as a complication of chronic gingivitis in situations in which hygiene is abandoned completely or host defenses are weakened.

  • ANUG is the result of soft tissue invasion by ubiquitous organisms and is not believed to be contagious.

  • It is a risk wherever poor sanitation, diet, or oral hygiene is present.

  • Living near livestock is an additional risk factor.

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