This article is about the physiological disorder. For the similarly-named band, see Trenchmouth. Trench mouth is a polymicrobial infection of the gums leading to inflammation, bleeding, deep ulceration and necrotic gum tissue; there may also be fever.
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Noun 1. an acute communicable infection of the respiratory tract and mouth marked by ulceration of the mucous membrane (synonym) Vincent's infection, trench mouth (hypernym) contagious disease, contagion