Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | HyFlex EDM | PathFile |
|---|---|---|
| Manufacturer | Coltene | Dentsply Sirona |
| Alloy | CM-Wire (EDM manufactured) | Conventional NiTi |
| Heat Treatment | CM-Wire | Conventional |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 3 |
| Taper | Variable | 2% |
| Cross-section | Triangular, Square, Variable (quadratic tip, trapezoidal middle, triangular coronal) | Square |
| Speed | 300–400 RPM | 300 RPM |
| Torque | 1.8–2.5 Ncm | — |
| Use Type | Reusable (limited) | Single-use |
Best For
HyFlex EDM
extreme curvaturesfatigue resistance priorityreusable with regeneration
PathFile
multi-file mechanical glide path preparationcompanion to ProTaper Universal and ProTaper Gold shaping sequencesprogressive enlargement from #10 K-file to rotary-ready diameter
Key Features
HyFlex EDM
EDM + CM-Wire with regenerative memory — manufacturer reports enhanced fatigue resistance (bench data; figures vary by comparator and test setup)
PathFile
Three-file rotary glide path sequence (013/.02, 016/.02, 019/.02) for progressive mechanical enlargement before shaping files