[Review of the microbiological etiology of periodontal disease].
D010520:Aggressive Periodontitis / Q000382:microbiology; D001419:Bacteria / Q000302:isolation & purification*; D018407:Bacterial Physiological Phenomena; D005891:Gingivitis / Q000382:microbiology; D006801:Humans; D010510:Periodontal Diseases / Q000382:microbiology*