Which of the following describes a gingival infection characterized by sudden onset, pain, necrosis at the tip of the interdental papillae, bleeding, and a pseudomembrane covering?

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Necrotizing ulcerative gingivitis describes a gingival infection with readily identifiable characteristics of sudden onset of pain, necrosis of the tips of the gingival papillae, bleeding, and a pseudomembrane covering. Herpetic gingivostomatitis is characterized by oral vesiculoulcerative lesions and pain; lesions occur on both extraoral and intraoral areas. Linear gingival erythematous is associated with a depressed immune system and is characterized by a linear, fiery red gingival margin and changes often go to the alveolar mucosa. Hematologic gingival disease is characterized by swollen, glazed, and spongy gingival tissues that are red to deep purple in color.

Which of the Following Describes a Gingival Infection Characterized by Sudden