Ultrasonic versus hand filing of dentin: a quantitative study
- PMID: 6927944
- DOI: 10.1016/0030-4220(80)90034-1
Ultrasonic versus hand filing of dentin: a quantitative study
Abstract
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.