1. Single file to complete the preparation
2. Unusually sharp section
3. The capacity of chip and chip evacuation enhanced
4. More flexible than the traditional single file, indications broader
A-Good variable pitch design for quick and automatic removal of debris to the crown side.
B-Variable pitch design and S-section, enhanced transverse cutting force,and weakened
C-Instrument “screwed in”
What is the clockwise and Contra clock wise angle used with this file system
Need quotation for s one