Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | ProTaper Next | ZenFlex |
|---|---|---|
| Manufacturer | Dentsply Sirona | Kerr Dental |
| Alloy | M-Wire NiTi | Heat-Treated NiTi (Controlled Memory) |
| Heat Treatment | M-Wire | CM-Wire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 6 | 10 |
| Taper | Variable | 4%, 6% |
| Cross-section | Convex triangular, Off-centered rectangular | Triangular |
| Speed | 300 RPM | 500 RPM |
| Torque | 2 Ncm | 1–3.5 Ncm |
| Use Type | Single-use | Single-use |
Best For
ProTaper Next
off-centered swaggering motionreduced file engagementprogressive shaping
ZenFlex
minimally invasive shapingcontrolled-memory flexibilitydual taper strategy (.04/.06)
Key Features
ProTaper Next
Off-centered rectangular cross-section creates swaggering motion for improved debris removal
ZenFlex
Violet oxide surface with 1mm flute diameter for minimally invasive shaping and excellent flexibility