Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | HyFlex EDM | iRaCe |
|---|---|---|
| Manufacturer | Coltene | FKG Dentaire |
| Alloy | CM-Wire (EDM manufactured) | Conventional NiTi (Electropolished) |
| Heat Treatment | CM-Wire | Conventional |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 5 |
| Taper | Variable | Variable |
| Cross-section | Triangular, Square, Variable (quadratic tip, trapezoidal middle, triangular coronal) | Triangular |
| Speed | 300–400 RPM | 600 RPM |
| Torque | 1.8–2.5 Ncm | 1.5 Ncm |
| Use Type | Reusable (limited) | Reusable (limited) |
Best For
HyFlex EDM
extreme curvaturesfatigue resistance priorityreusable with regeneration
iRaCe
simplified 3-file rotary sequencedifficult canals via iRaCe Plus extension (narrow, curved, calcified)individual file selection approach
Key Features
HyFlex EDM
EDM + CM-Wire with regenerative memory — manufacturer reports enhanced fatigue resistance (bench data; figures vary by comparator and test setup)
iRaCe
Simplified 3-file sequence (R1-R2-R3) with iRaCe Plus extension for difficult canals — alternating cutting edges and triangular cross-section at 600 RPM