A progressive painful infection of the mouth and throat with ulceration, swelling and sloughing off of dead tissue from the mouth and throat due to the spread of infection from the gums. Certain germs (including fusiform bacteria and spirochetes) have been thought to be involved, but the full story behind this long-known disease is still not clear. [..]

Painful ulcers found along gum line, caused by poor nutrition and poor hygiene.

(idiomatic,medicine) Acute necrotizing ulcerative gingivitis, a severe bacterial infection of the gums, typically characterized by inflammation, bleeding, deep ulceration, necrotized tissue, pain, f [..]