HyFlex® EDM
EDM + CM-Wire with regenerative memory — manufacturer reports enhanced fatigue resistance (bench data; figures vary by comparator and test setup)
| File | Tip | Taper | Speed rpm | Torque Ncm |
|---|---|---|---|---|
| 0.18 | 11% | 400 | 2.5 | |
| 0.15 | 3% | 300 | 1.8 | |
| 0.25 | Variable | 400 | 2.5 | |
| 0.18 | 4.5% | 400 | 2.5 | |
| 0.30 | 4% | 400 | 2.5 | |
| 0.40 | 4% | 400 | 2.5 | |
| 0.50 | 3% | 400 | 2.5 | |
| 0.60 | 2% | 400 | 2.5 |
EDM manufacturing creates compressive surface stresses for superior fatigue resistance
CM-Wire allows pre-bending that persists during use
Spirals may lengthen in response to force - prevents binding and reduces breakage risk
Shape regenerates during autoclaving (or 10 sec in glass bead sterilizer) if elastically deformed
Files supplied pre-sterilized via gamma irradiation
Obturation Techniques
Single cone, warm vertical, carrier-based & lateral compaction
From Coltene Systems
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What alloy is HyFlex EDM made from?
Answer
HyFlex® EDM is manufactured from CM-Wire (EDM manufactured) with cm-wire heat treatment.
How many files are in the HyFlex EDM sequence?
Answer
The HyFlex® EDM system includes 8 files: Orifice Opener, GlidePath, OneFile, Shaping, Finishing, 40/.
What motion type does HyFlex EDM use?
Answer
HyFlex® EDM uses continuous rotation motion.
What cases is HyFlex EDM best for?
Answer
HyFlex® EDM is best suited for: extreme curvatures, fatigue resistance priority, reusable with regeneration.
What speed and torque settings are recommended for HyFlex EDM?
Answer
Recommended settings: 400–300 RPM and 2.
Reviewed by
Dr. Levent Yuksel
DDS · Endodontist
Independently authored and clinically reviewed.