A stepped-care innovation built on the success of Classic TF and includes the same advanced Twisted File technology, which is 70% more flexible than other rotary NiTi files.* Designed to work with our Elements Adaptive Motion Technology, an industry first innovation that allows the TF Adaptive file to self-adjust to intracanal torsional forces.This gives you exceptional file control through the entire procedure. An intuitive, color-coded system that features a simple 3-file technique.