title: Pathobiology of oral spirochetes in periodontal disease.
mesh_terms: D000328:Adult; D006801:Humans; D008214:Lymphocytes / Q000502:physiology; D009504:Neutrophils / Q000502:physiology; D010510:Periodontal Diseases / Q000382:microbiology*; D013144:Spirochaetales / Q000302:isolation & purification / Q000502:physiology*