HyFlex® EDM

Coltene

Continuous Rotation

COURSES29 November 2026 · İstanbul · Canal shaping course

HyFlex® EDM

Coltene

EDM + CM-Wire with regenerative memory — manufacturer reports enhanced fatigue resistance (bench data; figures vary by comparator and test setup)

Continuous Rotation · CM-Wire (EDM manufactured)

300–400
RPM
1.8–2.5
Ncm

File: 8
Verified: Feb 2026

Specifications

Tap icons for term definitions

File	Tip	Taper	SpeedRPM	TorqueNcm	Role
Diameter at the file tip (D0). Larger tips shape wider canals.
How much the file widens per mm. Higher taper = more aggressive cutting.
Rotational speed (RPM). Follow manufacturer settings to prevent file breakage.
Rotational force limit (Ncm). Prevents file fracture by auto-reversing when resistance is too high.
Orifice Opener	0.18	11%	400	2.5
GlidePathwhite	0.15	3%	300	1.8
OneFilered	0.25	Variable	400	2.5
Shapingyellow	0.18	4.5%	400	2.5
Finishingblue	0.30	4%	400	2.5
40/.04black	0.40	4%	400	2.5	Finishing
50/.03yellow	0.50	3%	400	2.5	Finishing
60/.02blue	0.60	2%	400	2.5	Finishing

Motor settings for every system

Matching gutta-percha & paper points

Gutta-percha: COLTENE HyFlex EDM Guttapercha Points.05 #20, OneFile #25, .04 #40, .03 #50, .02 #60, OGSF 30/.04
Paper points: COLTENE HyFlex EDM Paper Points.05 #20, .04 #40, .03 #50, .02 #60

Clinical Tips

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

Warnings

Ensure spirals do not wind in opposite direction during use - causes plastic deformation
If spirals appear lengthened after autoclaving, discard file
Inspect for unwinding before each use
Do not use after expiration date
Discard if any visible defects observed

Obturation Techniques

Single cone, warm vertical, carrier-based & lateral compaction

References

Protocol

01Glide Path3

02Shaping1

03Finishing2

Related Systems

From Coltene Systems

HyFlex CM HyFlex GPF

Manufacturer page

Coltene Systems

Other continuous rotation systems

ProTaper Gold ProTaper Ultimate ProTaper Next

Motion category

Continuous Rotation

Comparisons

HyFlex EDMvsEndoArt Action HyFlex EDMvsHyFlex CM HyFlex EDMvsProTaper Gold HyFlex EDMvsProTaper Next HyFlex EDMvsProTaper Ultimate HyFlex EDMvsRACE EVO HyFlex EDMvsReciproc Blue HyFlex EDMvsTruNatomy HyFlex EDMvsVortex Blue HyFlex EDMvsWaveOne Gold HyFlex EDMvsXP-endo Shaper

Alloy

CM-Wire (Controlled Memory)

Use cases

Severe Curvature Narrow Canals Wide Canals Mild Curvature Moderate Curvature

Collections

Controlled-Memory Files Rotary Systems

Clinical guides

Canal Preparation Irrigation Obturation Complications

Frequently Asked Questions

What alloy is HyFlex EDM made from?

Answer

HyFlex® EDM is manufactured from CM-Wire (EDM manufactured).

How many files are in the HyFlex EDM sequence?

Answer

The HyFlex® EDM system includes 8 files: Orifice Opener, GlidePath, OneFile, Shaping, Finishing, 40/.04, 50/.03, 60/.02.

What is the HyFlex EDM file sequence?

Answer

HyFlex® EDM is used in this order: Orifice Opener → GlidePath → OneFile → Shaping → Finishing → 40/.04 → 50/.03 → 60/.02.

Per-file speed, torque and technique are in the protocol section above.

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 2.5 / 1.8 Ncm across the file sequence (refer to official DFU for full per-file parameters).

See something wrong? Report it

Reviewed by

Uzm. Dt. Levent Yüksel

DDS · Endodontist

Endodontist — DDS, Hacettepe University; endodontics specialty training, Ankara University. 10+ years of clinical experience. Sole author and reviewer of EndoGuide content.

About the author Editorial policy Clinical profile

Cite this page

Citation formats for the manufacturer-verified specification data on this page.

AMA

Yüksel L. HyFlex EDM: sequence, speed and torque settings. EndoGuide. Updated: 2026-10-03. https://endo-guide.app/system/hyflex-edm

BibTeX

@misc{endoguide-hyflex-edm,
  author = {Yüksel, Levent},
  title = {HyFlex EDM: sequence, speed and torque settings},
  howpublished = {\url{https://endo-guide.app/system/hyflex-edm}},
  year = {2026},
  note = {EndoGuide. Updated: 2026-10-03}
}

@endoguideapp

Independent educational resource. Product names and trademarks belong to their respective manufacturers, who neither sponsor nor endorse EndoGuide.

Checklist

File	Tip	Taper	SpeedRPM	TorqueNcm	Role
Orifice Opener	0.18	11%	400	2.5
GlidePathwhite	0.15	3%	300	1.8
OneFilered	0.25	Variable	400	2.5
Shapingyellow	0.18	4.5%	400	2.5
Finishingblue	0.30	4%	400	2.5
40/.04black	0.40	4%	400	2.5	Finishing
50/.03yellow	0.50	3%	400	2.5	Finishing
60/.02blue	0.60	2%	400	2.5	Finishing

File

Tip

Taper

SpeedRPM

TorqueNcm

Role

Orifice Opener

0.18

11%

400

2.5

GlidePathwhite

0.15

300

1.8

OneFilered

0.25

Variable

400

2.5

Shapingyellow

0.18

4.5%

400

2.5

Finishingblue

0.30

400

2.5

40/.04black

0.40

400

2.5

Finishing

50/.03yellow

0.50

400

2.5

Finishing

60/.02blue

0.60

400

2.5

Finishing

@misc{endoguide-hyflex-edm, author = {Yüksel, Levent}, title = {HyFlex EDM: sequence, speed and torque settings}, howpublished = {\url{https://endo-guide.app/system/hyflex-edm}}, year = {2026}, note = {EndoGuide. Updated: 2026-10-03} }