AMEXORS Thermal Heat-Activated NiTi Rotary Files SX-F3 Cyclic Fatigue Resistant
Processed with thermal activation metallurgy to enhance cyclic fatigue resistance, this SX–F3 NiTi rotary file system provides controlled flexibility and predictable taper progression for preparing curved and constricted root canals.
Key Specifications
Product Category: Endodontic NiTi Rotary Files
Metallurgy: Thermal Heat-Activated Nickel-Titanium (NiTi) Alloy
File Sequence: SX, S1, S2, F1, F2, F3
Available Lengths: 19mm (SX), 21mm, 25mm, 31mm
Cross-Section Design: Convex Triangular Cross-Section
Recommended Speed & Torque: 250–350 RPM | 1.5–3.0 N·cm
Packaging: 6 pcs / blister pack
The AMEXORS Thermal Heat-Activated NiTi Rotary Files are engineered to address cyclic fatigue—the primary cause of instrument separation in curved root canals. Through controlled thermal activation during manufacturing, the internal crystal lattice of the NiTi alloy is modified to absorb alternating tension and compression stresses as the file rotates around a canal bend.
Designed around the familiar SX–F3 crown-down protocol, the system requires no changes to existing clinical sequences or motor settings. The shaping files (SX, S1, S2) selectively brush and enlarge the coronal two-thirds to relieve coronal interference, allowing the finishing files (F1, F2, F3) to reach full working length with reduced torsional binding. Each file is fitted with an ISO color-coded handle, laser-etched depth markings (18mm, 19mm, 20mm, 22mm), and a pre-fitted silicone endo stop.
| Technical Parameter | Specification / Description |
| Brand | AMEXORS |
| Product Category | Endodontic NiTi Rotary Files |
| Alloy & Metallurgy | Thermal Heat-Activated Nickel-Titanium (NiTi) |
| Cross-Sectional Geometry | Convex Triangular Cross-Section |
| Tip Design | Non-Cutting Safe Tip |
| File Sequence & Sizes | SX (#19), S1 (#18), S2 (#20), F1 (#20/.07), F2 (#25/.08), F3 (#30/.09) |
| Available Working Lengths | 19mm (SX), 21mm, 25mm, 31mm |
| Depth Markings | Laser-Etched Depth Calibration Rings on Shaft |
| Motion Type | 360° Continuous Clockwise Rotation |
| Recommended Rotational Speed | 250 – 350 RPM |
| Recommended Torque | 1.5 – 3.0 N·cm |
| Sterilization | Autoclavable up to 134°C – 135°C |
| Packaging Configuration | 6 Pieces per Blister Pack (Assorted SX–F3 or Single Size) |
