Clinical Tip
HyFlex EDM is electro-discharge-machined CM-Wire that can be pre-bent, regenerates its shape in the autoclave and is reusable within limits, shaping mostly with a OneFile at 400 RPM / 2.5 Ncm; Vortex Blue is a single-use blue heat-treated crown-down .04/.06 matrix at 500 RPM with file-specific torque. Choose HyFlex EDM for extreme curvature and reuse, Vortex Blue for crown-down size control in a single-use workflow.
Specifications
| — | HyFlex EDM | Vortex Blue |
|---|---|---|
| Manufacturer | Coltene | Dentsply Sirona |
| Alloy | CM-Wire (EDM manufactured) | Blue Heat-Treated NiTi |
| Heat Treatment | CM-Wire | Blue Heat-Treated |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 16 |
| Taper | Variable | 4%, 6% |
| Cross-section | Triangular, Square, Variable (quadratic tip, trapezoidal middle, triangular coronal) | Convex triangular |
| Speed | 300–400 RPM | 500 RPM |
| Torque | 1.8–2.5 Ncm | 75–368 Ncm |
| Use Type | Reusable (limited) | Single-use |
Best For
HyFlex EDM
Vortex Blue
Key Features
HyFlex EDM
EDM + CM-Wire with regenerative memory — manufacturer reports enhanced fatigue resistance (bench data; figures vary by comparator and test setup)
Vortex Blue
Blue heat treatment provides min 65% better cyclic fatigue resistance vs M-Wire NiTi and at least 42% higher peak torque strength (manufacturer data)