Clinical Tip
ProTaper Gold for predictable shaping. HyFlex EDM for extreme curves—studies show ~2x greater fatigue resistance with controlled memory wire.
Specifications
| — | ProTaper Gold | HyFlex EDM |
|---|---|---|
| Manufacturer | Dentsply Sirona | Coltene |
| Alloy | Gold Heat-Treated NiTi | CM-Wire (EDM manufactured) |
| Heat Treatment | Gold Heat-Treated | CM-Wire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 8 |
| Taper | Variable | Variable |
| Cross-section | Convex triangular, Concave triangular | Triangular, Square, Variable (quadratic tip, trapezoidal middle, triangular coronal) |
| Speed | 300 RPM | 300–400 RPM |
| Torque | 1.5–5 Ncm | 1.8–2.5 Ncm |
| Use Type | Reusable (limited) | Reusable (limited) |
Best For
ProTaper Gold
versatile multi-file sequencecomplex anatomygraduated shaping
HyFlex EDM
extreme curvaturesfatigue resistance priorityreusable with regeneration
Key Features
ProTaper Gold
Variable taper design with progressive engagement
HyFlex EDM
Up to 700% greater fatigue resistance with regenerative memory (manufacturer data; brochure reports up to 1,200% vs specific competitors)