Acute necrotizing ulcerative gingivitis

Definition

Acute necrotizing ulcerative gingivitis (ANUG) is a severe infection of the gums characterized by rapid onset, pain, and the presence of ulcers. It is often associated with poor oral hygiene and stress.

5 Must Know Facts For Your Next Test

1. ANUG is also known as trench mouth due to its prevalence among soldiers in World War I.
2. It is caused by a mixed bacterial infection, primarily involving anaerobic bacteria such as Fusobacterium and spirochetes like Treponema.
3. Symptoms include severe gum pain, bleeding, ulceration of the interdental papillae, and halitosis (bad breath).
4. Risk factors include smoking, poor nutrition, immunosuppression, and psychological stress.
5. Treatment typically involves debridement of necrotic tissue, improved oral hygiene practices, and antibiotics such as metronidazole.

Review Questions

• What are the primary bacterial agents involved in ANUG?
• List at least three symptoms associated with acute necrotizing ulcerative gingivitis.
• What are common risk factors that can lead to the development of ANUG?

Related terms

Gingivitis:

Inflammation of the gums often caused by plaque build-up.

Periodontitis:

A serious gum infection that damages soft tissue and destroys the bone supporting your teeth.

Halitosis:

Chronic bad breath usually resulting from poor oral hygiene or underlying medical conditions.