Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | EdgeFile X7 | K3XF |
|---|---|---|
| Manufacturer | EdgeEndo | Kerr Endodontics |
| Alloy | Fire-Wire™ Annealed Heat-Treated NiTi | R-Phase™ Heat-Treated NiTi |
| Heat Treatment | Fire-Wire | R-Phase |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 14 | 24 |
| Taper | 4%, 6% | Variable |
| Cross-section | Parabolic / variable diamond | Asymmetric Triple-Fluted |
| Speed | 300 RPM | 350 RPM |
| Torque | 300 Ncm | 3 Ncm |
| Use Type | Single-use | Reusable (limited) |
Best For
EdgeFile X7
crown-down rotary with enhanced fatigue resistancedual taper versatility (.04/.06)mid-cost North American market
K3XF
versatile multi-taper rotary shapingclinicians familiar with K3 techniquecases requiring wide taper selection (.04-.12)
Key Features
EdgeFile X7
Fire-Wire AHT eliminates shape memory for canal-contouring flexibility with enhanced cyclic fatigue resistance (manufacturer data)
K3XF
Original K3 asymmetric triple-fluted design enhanced with R-Phase heat treatment for improved flexibility and cyclic fatigue resistance