title: Case #1. Acute necrotizing ulcerative gingivitis.
authors.affiliation: Department of Diagnostic Services, The Ohio State University College of Dentistry, Columbus, USA.
authors.forename: J I
authors.initials: JI
authors.lastname: Haring
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005884:Gingival Hemorrhage / Q000209:etiology; D005892:Gingivitis, Necrotizing Ulcerative / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008297:Male