Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | E-Flex Gold | ESX |
|---|---|---|
| Manufacturer | Eighteeth | Brasseler USA |
| Alloy | Control Memory NiTi (gold heat-treated) | Electropolished NiTi |
| Heat Treatment | Gold Heat-Treated | Conventional |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 9 | 8 |
| Taper | Variable | Variable |
| Cross-section | Not specified | Triangular (asymmetrical ACP) |
| Speed | 300–350 RPM | 500 RPM |
| Torque | 2.5–3 Ncm | 1.5 Ncm |
| Use Type | Single-use | Single-use |
Best For
E-Flex Gold
cost-effective gold heat-treated rotary systemintegrated workflow (orifice opener + glider + shaping in one family)single uniform speed/torque setting (350 RPM / 2 Ncm)
ESX
minimally invasive two-file canal preparationconservative coronal tooth structure preservationcases where adaptive finishing file size selection is preferred
Key Features
E-Flex Gold
Gold heat-treated CM wire with integrated orifice opener (17/.08) and glider (19/.02) — variable pitch design with non-cutting safety tip
ESX
Two-file shaping system with patented ACP (Alternating Contact Point) design and Booster Tip for minimally invasive canal preparation at 500-600 RPM