Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | ESX | K3XF |
|---|---|---|
| Manufacturer | Brasseler USA | Kerr Endodontics |
| Alloy | Electropolished NiTi | R-Phase™ Heat-Treated NiTi |
| Heat Treatment | Conventional | R-Phase |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 24 |
| Taper | Variable | Variable |
| Cross-section | Triangular (asymmetrical ACP) | Asymmetric Triple-Fluted |
| Speed | 500 RPM | 350 RPM |
| Torque | 1.5 Ncm | 3 Ncm |
| Use Type | Single-use | Reusable (limited) |
Best For
ESX
minimally invasive two-file canal preparationconservative coronal tooth structure preservationcases where adaptive finishing file size selection is preferred
K3XF
versatile multi-taper rotary shapingclinicians familiar with K3 techniquecases requiring wide taper selection (.04-.12)
Key Features
ESX
Two-file shaping system with patented ACP (Alternating Contact Point) design and Booster Tip for minimally invasive canal preparation at 500-600 RPM
K3XF
Original K3 asymmetric triple-fluted design enhanced with R-Phase heat treatment for improved flexibility and cyclic fatigue resistance