title: The apical border of plaque in chronic inflammatory periodontal disease.
mesh_terms: D000328:Adult; D001419:Bacteria / Q000648:ultrastructure; D002908:Chronic Disease; D003739:Dental Cementum / Q000473:pathology; D003773:Dental Plaque / Q000382:microbiology / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010518:Periodontitis / Q000473:pathology*; D014092:Tooth Root / Q000473:pathology