title: [A comparative SEM study of the tooth surface after removal of dental calculus by hand-held instruments and ultrasound].
mesh_terms: D003728:Dental Calculus / Q000628:therapy*; D003743:Dental Enamel / Q000648:ultrastructure*; D003777:Dental Prophylaxis / Q000295:instrumentation*; D006801:Humans; D008855:Microscopy, Electron, Scanning; D014464:Ultrasonic Therapy
vernacular_title: Srovnávací SEM studie zubního povrchu po odstranĕní zubního kamene rucními nástroji a ultrazvukem.