TF4™
Perfect Dental (Shenzhen Perfect Medical Instruments)
Rotary + Reciprocating Hybrid Sequence
View protocol →Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | K3XF | TF4 |
|---|---|---|
| Manufacturer | Kerr Endodontics | Perfect Dental (Shenzhen Perfect Medical Instruments) |
| Alloy | R-Phase™ Heat-Treated NiTi | NiTi |
| Heat Treatment | R-Phase | Conventional |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 24 | 4 |
| Taper | Variable | Variable |
| Cross-section | Asymmetric Triple-Fluted | Not specified by name in IFU text |
| Speed | 350 RPM | 350 RPM |
| Torque | 3 Ncm | 2 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)
TF4
rotary + reciprocating hybrid workflowclinicians comfortable switching motor modes mid-casemoderate-curvature anatomy
Key Features
K3XF
Original K3 asymmetric triple-fluted design enhanced with R-Phase heat treatment for improved flexibility and cyclic fatigue resistance
TF4
Four-file hybrid sequence (T20 20/.07, T25 25/.07, T35 35/.06, T45 45/.05) where T25 25/.07 is run in reciprocating motion within an otherwise rotary workflow at 350 rpm / 2.0–3.0 N·cm (per IFU spec table and step-by-step)