This is trench mouth, a progressive painful infection 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. T [..]

An acronym for Acute Necrotizing Ulcerative Gingivitis. ANUG is commonly known as trench mouth or Vincent's disease, which can be aggravated by stress and/or smoking. Anterior teeth

Preferred term: necrotizing ulcerative gingivitis