Definition

Acute necrotizing ulcerative gingivitis (ANUG) is a serious infection of the gums that causes ulcers, swelling, and dead tissues in the mouth.

Causes

Acute necrotizing ulcerative gingivitis is typically caused by excess bacteria in the mouth.

Risk Factors

ANUG most often impacts people who are 35 years of age and younger. Factors that may increase the risk of ANUG include excess bacteria in the mouth due to:

    
  • Lack of dental care
  • Poor dental hygiene
  • Poor diet
  • Vitamin deficiencies
  • Infections in the throat, teeth, or mouth
  • A compromised immune system
  • Smoking
  • Stress
  • Symptoms

    Symptoms may include:

        
  • Pain in the gums
  • Gums that bleed easily
  • Bad taste in the mouth; extremely bad breath
  • Red and swollen gums
  • Gray residue on the gums
  • Large ulcers or loss of gum tissue in between teeth
  • Fever
  • Discomfort
  • Swollen lymph nodes
  • Red and Swollen Gums

    Gingivitis

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    Diagnosis

    Your dentist will ask about your symptoms and medical history. A dental exam will be done.

    Images may be taken of your teeth and face. This can be done with x-rays.

    Dental X-ray

    Jaw x-ray teeth

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    Treatment

    Although ANUG is a painful condition, it can be healed with treatment. Talk with your dentist about the best treatment plan for you. Treatment options include:

        
  • Antibiotics to clear up the infection
  • Dental surgery
  • Regular dental cleanings
  • Changes in diet
  • Prevention

    To help reduce your chances of getting ANUG, take the following steps:

        
  • Take proper care of teeth and gums.
  • See your dentist regularly.
  • Maintain a balanced, nutritional diet.