Clinical Tip
HyFlex EDM for curved canals with CM-Wire durability. XP-endo Shaper for irregular oval anatomy—MaxWire expands at body temperature (35°C).
Specifications
| — | HyFlex EDM | XP-endo Shaper |
|---|---|---|
| Manufacturer | Coltene | FKG Dentaire |
| Alloy | CM-Wire (EDM manufactured) | MaxWire (NiTi alloy) |
| Heat Treatment | CM-Wire | MaxWire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 2 |
| Taper | Variable | 1% (expands to at least 4%), 0% |
| Cross-section | Triangular, Square, Variable (quadratic tip, trapezoidal middle, triangular coronal) | Booster Tip (6 cutting edges at tip, triangular shaft), Zero-taper sickle-shaped (cleaning, non-shaping) |
| Speed | 300–400 RPM | 800 RPM |
| Torque | 1.8–2.5 Ncm | 1 Ncm |
| Use Type | Reusable (limited) | Single-use |
Best For
HyFlex EDM
extreme curvaturesfatigue resistance priorityreusable with regeneration
XP-endo Shaper
irregular/oval canals3D adaptationconservative accessretreatment
Key Features
HyFlex EDM
Up to 700% greater fatigue resistance with regenerative memory (manufacturer data; brochure reports up to 1,200% vs specific competitors)
XP-endo Shaper
Expands at body temperature to adapt to canal anatomy