Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | iRaCe Plus | ZenFlex |
|---|---|---|
| Manufacturer | FKG Dentaire | Kerr Dental |
| Alloy | Conventional NiTi (Electropolished) | Heat-Treated NiTi (Controlled Memory) |
| Heat Treatment | Conventional | CM-Wire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 4 | 10 |
| Taper | 2%, 4% | 4%, 6% |
| Cross-section | Triangular | Triangular |
| Speed | 600 RPM | 500 RPM |
| Torque | 1.5 Ncm | 1–3.5 Ncm |
| Use Type | Reusable (limited) | Single-use |
Best For
iRaCe Plus
narrow and severely curved canals where standard iRaCe R1 cannot reach working lengthcalcified canals requiring low-taper initial navigationindividual file selection approach for difficult anatomy
ZenFlex
minimally invasive shapingcontrolled-memory flexibilitydual taper strategy (.04/.06)
Key Features
iRaCe Plus
Extended 4-file sequence (R1a-R1b-R2-R3) designed for narrow and/or severely curved canals where standard iRaCe R1 (15/.06) cannot reach working length — uniform 600 RPM / 1.5 Ncm settings
ZenFlex
Violet oxide surface with 1mm flute diameter for minimally invasive shaping and excellent flexibility