H pylori shows oral colonization.
D003773:Dental Plaque / Q000382:microbiology*; D005756:Gastritis / Q000188:drug therapy / Q000382:microbiology; D016481:Helicobacter Infections / Q000188:drug therapy; D016480:Helicobacter pylori / Q000254:growth & development / Q000502:physiology*; D006801:Humans; D010437:Peptic Ulcer / Q000188:drug therapy / Q000382:microbiology; D012008:Recurrence