title: Diagnosis and progression of periodontal disease: current status of bleeding as a diagnostic indicator.
mesh_terms: D000293:Adolescent; D000328:Adult; D006801:Humans; D008297:Male; D010510:Periodontal Diseases / Q000175:diagnosis*; D010514:Periodontal Pocket / Q000503:physiopathology*; D010518:Periodontitis / Q000503:physiopathology*