Biological changes at the tooth-saliva interface in periodontal disease.
D003649:Decalcification, Pathologic; D003728:Dental Calculus; D003739:Dental Cementum / Q000032:analysis*; D003777:Dental Prophylaxis; D006801:Humans; D008852:Microradiography; D008854:Microscopy, Electron; D010510:Periodontal Diseases / Q000150:complications*; D012463:Saliva / Q000378:metabolism*; D014074:Tooth Calcification; D014092:Tooth Root / Q000032:analysis*