Treatment of acute ulcerative gingivitis (Vincent's type).
D005892:Gingivitis, Necrotizing Ulcerative / Q000188:drug therapy*; D006801:Humans; D008795:Metronidazole / Q000627:therapeutic use*; D010404:Penicillin V / Q000627:therapeutic use*
D008795:Metronidazole; D010404:Penicillin V