title: Basics revisited for diagnosing periodontal disease.
mesh_terms: D005881:Gingiva / Q000503:physiopathology; D006801:Humans; D010510:Periodontal Diseases / Q000175:diagnosis*; D010514:Periodontal Pocket / Q000175:diagnosis*; D010518:Periodontitis / Q000175:diagnosis*; D010519:Periodontium / Q000033:anatomy & histology