necrotizing ulcerative gingivi tis

nec·ro·tiz·ing ul·cer·a·tive gin·gi·vi ·tis

(NUG) (nek'rō-tīz-ing ŭl'sĕr-ă-tiv jin' ji-vī'tis)
Gingivitis of young and middle-aged adults characterized clinically by gingival erythema and pain, fetid odor, necrosis, and sloughing of interdental papillae and marginal gingiva that gives rise to a gray pseudomembrane.
Synonym(s): fusospirochetal gingivitis, trench mouth, ulceromembranous gingivitis, Vincent gingivitis.
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