1. Upgrade open file 17/12, more reasonable.
2. With dual-variable taper of path file, nickel-titanium file can be used after 10# hand file
3. Upgrade shaping file 18/05, more perfect for the processing.
4. Upgrade material, more flexible.
-Among the classic 6 pcs system file, only it can used nickel-titanium file after 10# hand file
-SC Pro-2018 more suitable for the big taper of obturation filling system.
2018 new series, only need to use hand file 10#.