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
| — | HyFlex EDM | TF4 |
|---|---|---|
| Manufacturer | Coltene | Perfect Dental (Shenzhen Perfect Medical Instruments) |
| Alloy | CM-Wire (EDM manufactured) | NiTi |
| Heat Treatment | CM-Wire | Conventional |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 8 | 4 |
| Taper | Variable | Variable |
| Cross-section | Triangular, Square, Variable (quadratic tip, trapezoidal middle, triangular coronal) | Not specified by name in IFU text |
| Speed | 300–400 RPM | 350 RPM |
| Torque | 1.8–2.5 Ncm | 2 Ncm |
| Use Type | Reusable (limited) | Single-use |
Best For
HyFlex EDM
extreme curvaturesfatigue resistance priorityreusable with regeneration
TF4
rotary + reciprocating hybrid workflowclinicians comfortable switching motor modes mid-casemoderate-curvature anatomy
Key Features
HyFlex EDM
EDM + CM-Wire with regenerative memory — manufacturer reports enhanced fatigue resistance (bench data; figures vary by comparator and test setup)
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)