Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | HyFlex EDM | One Shape |
|---|---|---|
| Manufacturer | Coltene | Micro-Mega (COLTENE) |
| Alloy | CM-Wire (EDM manufactured) | Conventional NiTi |
| Heat Treatment | CM-Wire | Conventional |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 1 |
| Taper | Variable | 6% |
| Cross-section | Triangular, Square, Variable (quadratic tip, trapezoidal middle, triangular coronal) | Variable asymmetric (3→2 cutting edges) |
| Speed | 300–400 RPM | 350 RPM |
| Torque | 1.8–2.5 Ncm | 2.5 Ncm |
| Use Type | Reusable (limited) | Single-use |
Best For
HyFlex EDM
extreme curvaturesfatigue resistance priorityreusable with regeneration
One Shape
single-file rotary simplicityefficient continuous rotation shapingcost-effective one-instrument workflow
Key Features
HyFlex EDM
EDM + CM-Wire with regenerative memory — manufacturer reports enhanced fatigue resistance (bench data; figures vary by comparator and test setup)
One Shape
Single-file continuous rotation with variable asymmetric cross-section (3 to 2 cutting edges) and ABC anti-breakage control