Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | HyFlex EDM | ZenFlex |
|---|---|---|
| Manufacturer | Coltene | Kerr Dental |
| Alloy | CM-Wire (EDM manufactured) | Heat-Treated NiTi (Controlled Memory) |
| Heat Treatment | CM-Wire | CM-Wire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 10 |
| Taper | Variable | 4%, 6% |
| Cross-section | Triangular, Square, Variable (quadratic tip, trapezoidal middle, triangular coronal) | Triangular |
| Speed | 300–400 RPM | 500 RPM |
| Torque | 1.8–2.5 Ncm | 1–3.5 Ncm |
| Use Type | Reusable (limited) | Single-use |
Best For
HyFlex EDM
extreme curvaturesfatigue resistance priorityreusable with regeneration
ZenFlex
minimally invasive shapingcontrolled-memory flexibilitydual taper strategy (.04/.06)
Key Features
HyFlex EDM
Up to 700% greater fatigue resistance with regenerative memory (manufacturer data; brochure reports up to 1,200% vs specific competitors)
ZenFlex
Violet oxide surface with 1mm flute diameter for minimally invasive shaping and excellent flexibility