Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | ESX | HyFlex EDM |
|---|---|---|
| Manufacturer | Brasseler USA | Coltene |
| Alloy | Electropolished NiTi | CM-Wire (EDM manufactured) |
| Heat Treatment | Conventional | CM-Wire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 8 |
| Taper | Variable | Variable |
| Cross-section | Triangular (asymmetrical ACP) | Triangular, Square, Variable (quadratic tip, trapezoidal middle, triangular coronal) |
| Speed | 500 RPM | 300–400 RPM |
| Torque | 1.5 Ncm | 1.8–2.5 Ncm |
| Use Type | Single-use | Reusable (limited) |
Best For
ESX
minimally invasive two-file canal preparationconservative coronal tooth structure preservationcases where adaptive finishing file size selection is preferred
HyFlex EDM
extreme curvaturesfatigue resistance priorityreusable with regeneration
Key Features
ESX
Two-file shaping system with patented ACP (Alternating Contact Point) design and Booster Tip for minimally invasive canal preparation at 500-600 RPM
HyFlex EDM
EDM + CM-Wire with regenerative memory — manufacturer reports enhanced fatigue resistance (bench data; figures vary by comparator and test setup)