Ultrasonic versus hand filing of dentin: a quantitative study.
Ultrasonic versus hand-powered K type files were compared for their ability to remove dentin from a standardized canal. The ultrasonic energized file removed a significantly greater amount of dentin in a fixed time period.
D003762:Dental Instruments; D003804:Dentin / Q000601:surgery*; D006801:Humans; D012390:Root Canal Therapy / Q000295:instrumentation*; D013193:Stainless Steel; D014465:Ultrasonics / Q000295:instrumentation*
D013193:Stainless Steel