title: [A scanning electron microscopic study of the root surface in periapically diseased teeth].
mesh_terms: D006801:Humans; D008855:Microscopy, Electron, Scanning; D010483:Periapical Diseases / Q000473:pathology*; D012391:Root Resorption / Q000473:pathology; D014092:Tooth Root / Q000648:ultrastructure*