Rarely, the soft tissue around the crown of the involved tooth may show a similar appearance to necrotizing ulcerative gingivitis.

An area of ulceration may develop on the operculum in the long term, which resembles necrotizing ulcerative gingivitis.

See also: Necrotizing ulcerative gingivitis.

In many instances the infection begins as necrotizing ulcerative gingivitis (NUG).

There have been many reported cases occurring in Africa which are coexistent with acute necrotizing ulcerative gingivitis or cancrum oris.

Dry socket is more likely to occur where there is a pre-existing infection in the mouth, such as necrotizing ulcerative gingivitis or chronic periodontitis.

Acute necrotizing ulcerative gingivitis (ANUG)

Necrotizing ulcerative gingivitis (NUG, or simply necrotizing gingivitis, NG) is a common, non-contagious infection of the gums.

Acute necrotizing ulcerative gingivitis (ANUG) is the acute presentation of NUG, which is the usual course the disease takes.

Prevotella intermedia (formerly Bacteroides intermedius) is a Gram-negative, obligate anaerobic pathogenic bacterium involved in periodontal infections, including gingivitis and periodontitis, and often found in acute necrotizing ulcerative gingivitis .

Acute necrotizing ulcerative gingivitis (ANUG) or necrotizing ulcerative gingivitis (NUG) is a sub-classification of necrotizing periodontal disease, an infection of the gum tissue.

Other possible risk factors include periodontal disease, acute necrotizing ulcerative gingivitis, local bone disease, Paget's disease of bone, osteopetrosis, cemento-osseous dysplasia, a history of previously developing a dry socket with past extractions and inadequate oral hygiene.