Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | K3XF | MG3 |
|---|---|---|
| Manufacturer | Kerr Endodontics | Perfect Dental (Shenzhen Perfect Medical Instruments) |
| Alloy | R-Phase™ Heat-Treated NiTi | Conventional NiTi |
| Heat Treatment | R-Phase | Conventional |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 24 | 6 |
| Taper | Variable | Variable |
| Cross-section | Asymmetric Triple-Fluted | Brochure cross-section illustration (geometry name not given) |
| Speed | 350 RPM | 350 RPM |
| Torque | 3 Ncm | 3 Ncm |
| Use Type | Reusable (limited) | Single-use |
Best For
K3XF
versatile multi-taper rotary shapingclinicians familiar with K3 techniquecases requiring wide taper selection (.04-.12)
MG3
value-tier rotary multi-file sequencegeneral shaping in mild–moderate curvaturepractices wanting a structured glide-path → shaper workflow
Key Features
K3XF
Original K3 asymmetric triple-fluted design enhanced with R-Phase heat treatment for improved flexibility and cyclic fatigue resistance
MG3
Six-file rotary sequence (Starter orifice opener + P1/P2 glide path + G1/G2/G3 shapers) with non-cutting tip, incremental thread spacing, and brochure-described cross-section advantages of improved performance, lower fracture tendency, and better debris removal (per brochure)