title: [Scanning electron microscopic study of fracture surfaces of periodontally diseases cementum].
mesh_terms: D003739:Dental Cementum / Q000648:ultrastructure*; D006801:Humans; D008855:Microscopy, Electron, Scanning; D010510:Periodontal Diseases / Q000473:pathology*; D014082:Tooth Fractures / Q000473:pathology*