title: Scanning electron microscopy of the root surface following instrumentation.
mesh_terms: D003773:Dental Plaque / Q000209:etiology; D003777:Dental Prophylaxis; D012534:Dental Scaling / Q000009:adverse effects / Q000295:instrumentation; D006801:Humans; D008854:Microscopy, Electron; D010510:Periodontal Diseases / Q000628:therapy*; D013357:Subgingival Curettage; D014092:Tooth Root; D014465:Ultrasonics / Q000295:instrumentation*