[Pathogenesis of bacteria in the gingival fissure in periodontal diseases].
D000190:Actinomyces / Q000472:pathogenicity; D000293:Adolescent; D000328:Adult; D001419:Bacteria / Q000472:pathogenicity*; D001439:Bacteroides / Q000472:pathogenicity; D003773:Dental Plaque / Q000382:microbiology; D005881:Gingiva / Q000382:microbiology*; D006801:Humans; D010518:Periodontitis / Q000382:microbiology*