[The contamination of airturbine handpieces and the disinfecting effect of ultraviolet rays].
D001419:Bacteria / Q000166:cytology / Q000528:radiation effects; D003754:Dental High-Speed Equipment; D003762:Dental Instruments; D004203:Disinfection / Q000379:methods*; D005069:Evaluation Studies as Topic; D013242:Sterilization / Q000379:methods*; D014466:Ultraviolet Rays