Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | ESX | HyFlex CM |
|---|---|---|
| Manufacturer | Brasseler USA | Coltene |
| Alloy | Electropolished NiTi | CM-Wire (Controlled Memory NiTi) |
| Heat Treatment | Conventional | CM-Wire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 6 |
| Taper | Variable | Variable |
| Cross-section | Triangular (asymmetrical ACP) | Triangular / Quadrangular (mixed design) |
| Speed | 500 RPM | 500 RPM |
| Torque | 1.5 Ncm | 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 CM
curved canals requiring pre-bent filesanatomical shaping with multiple sizing optionsreusable with autoclave 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 CM
Pre-bendable like stainless steel with enhanced cyclic fatigue resistance vs conventional NiTi (manufacturer reports up to 300%, in-house bench data)