Clinical Tip
ProTaper Ultimate runs a Slider–Shaper–Finisher sequence of variable-taper files at 400 RPM and combines three heat treatments across one sequence (M-Wire Slider, Gold Shaper and F1–F3, Blue FX/FXL for large canals). EdgeFile X7 is a fourteen-file constant-taper .04/.06 crown-down matrix (17–45) in Fire-Wire wire with no shape memory, so files can be pre-bent, run on one torque setting at 300–500 RPM. Choose ProTaper Ultimate for the graduated variable-taper technique, X7 when you want to pick tip size and taper independently.
Specifications
| — | EdgeFile X7 | ProTaper Ultimate |
|---|---|---|
| Manufacturer | EdgeEndo | Dentsply Sirona |
| Alloy | Fire-Wire™ Annealed Heat-Treated NiTi | M-Wire / Gold / Blue Heat-Treated NiTi |
| Heat Treatment | Fire-Wire | Gold Heat-Treated |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 14 | 8 |
| Taper | 4%, 6% | Variable |
| Cross-section | Parabolic / variable diamond | Parallelogram (variable acute angles, off-centered) |
| Speed | 300 RPM | 400 RPM |
| Torque | 300 Ncm | 4 Ncm |
| Use Type | Single-use | Single-use |
Best For
EdgeFile X7
ProTaper Ultimate
Key Features
EdgeFile X7
Fire-Wire AHT eliminates shape memory for canal-contouring flexibility with enhanced cyclic fatigue resistance (manufacturer data)
ProTaper Ultimate
Slider-Shaper-Finishers concept with dual heat treatments: Gold for standard sequence, Blue for auxiliary finishers in large canals