https://www.dekut.com/Health/symptoms-of-gum-diseases-and-treatments/ Necrotizing gingivitis is part of a range of disease known as necrotizing periodontal diseases. Necrotizing Ulcerative Gingivitis (NUG) is a severe infection of the gums (gingiva) characterized by gum necrosis, bleeding, and pain. Thu, 15 Feb 2018 07:21:03 UTC en