“…The clinical characteristics of NUG includes ulcerated and necrotic papillary and marginal gingival covered by a yellowish-white or grayish slough or "pseudomembrane", blunting and cratering of papillae, spontaneous bleeding or bleeding on probing, pain and fetid breath (Barnes, et al, 1973, Falkler, et al, 1987, Horning and Cohen, 1995. It may be accompanied by fever, lymphadenopathy, and malaise.…”