Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | HyFlex CM | ZenFlex |
|---|---|---|
| Manufacturer | Coltene | Kerr Dental |
| Alloy | CM-Wire (Controlled Memory NiTi) | Heat-Treated NiTi (Controlled Memory) |
| Heat Treatment | CM-Wire | CM-Wire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 6 | 10 |
| Taper | Variable | 4%, 6% |
| Cross-section | Triangular / Quadrangular (mixed design) | Triangular |
| Speed | 500 RPM | 500 RPM |
| Torque | 2.5 Ncm | 1–3.5 Ncm |
| Use Type | Reusable (limited) | Single-use |
Best For
HyFlex CM
curved canals requiring pre-bent filesanatomical shaping with multiple sizing optionsreusable with autoclave regeneration
ZenFlex
minimally invasive shapingcontrolled-memory flexibilitydual taper strategy (.04/.06)
Key Features
HyFlex CM
Pre-bendable like stainless steel with up to 300% greater cyclic fatigue resistance vs conventional NiTi (manufacturer in-house test data)
ZenFlex
Violet oxide surface with 1mm flute diameter for minimally invasive shaping and excellent flexibility