Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | E-Flex Gold | HyFlex CM |
|---|---|---|
| Manufacturer | Eighteeth | Coltene |
| Alloy | Control Memory NiTi (gold heat-treated) | CM-Wire (Controlled Memory NiTi) |
| Heat Treatment | Gold Heat-Treated | CM-Wire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 9 | 6 |
| Taper | Variable | Variable |
| Cross-section | Not specified | Triangular / Quadrangular (mixed design) |
| Speed | 300–350 RPM | 500 RPM |
| Torque | 2.5–3 Ncm | 2.5 Ncm |
| Use Type | Single-use | Reusable (limited) |
Best For
E-Flex Gold
cost-effective gold heat-treated rotary systemintegrated workflow (orifice opener + glider + shaping in one family)single uniform speed/torque setting (350 RPM / 2 Ncm)
HyFlex CM
curved canals requiring pre-bent filesanatomical shaping with multiple sizing optionsreusable with autoclave regeneration
Key Features
E-Flex Gold
Gold heat-treated CM wire with integrated orifice opener (17/.08) and glider (19/.02) — variable pitch design with non-cutting safety tip
HyFlex CM
Pre-bendable like stainless steel with enhanced cyclic fatigue resistance vs conventional NiTi (manufacturer reports up to 300%, in-house bench data)