One Curve®
Controlled-memory single-file rotary system with variable cross-section for full canal shaping
| File | Tip | Taper | Speed rpm | Torque Ncm |
|---|---|---|---|---|
| 25/.06 | 0.25 | 6% | 300 | 2.5 |
| 25/.04 | 0.25 | 4% | 300 | 2.5 |
| 35/.04 | 0.35 | 4% | 300 | 2.5 |
| 45/.04 | 0.45 | 4% | 300 | 2.5 |
Same motor settings for all files: 300 RPM, 2.5 Ncm
C.Wire controlled-memory alloy allows pre-bending for difficult access
Variable cross-section design for optimized cutting and debris removal
Single-file system: one instrument shapes the full canal in most cases
No sucking-in effect during use — smooth cutting action
Mini variant available with smaller 1mm wire diameter for restricted access
Compatible with One Flare (coronal flaring) and One G (glide path) ecosystem
Obturation Techniques
Single cone, warm vertical, carrier-based & lateral compaction
Manufacturer page
Micro-Mega (COLTENE) SystemsOther continuous rotation systems
Motion category
Continuous RotationClinical guides
What alloy is One Curve made from?
Answer
One Curve® is manufactured from C.
How many files are in the One Curve sequence?
Answer
The One Curve® system includes 4 files: 25/.
What motion type does One Curve use?
Answer
One Curve® uses continuous rotation motion.
What cases is One Curve best for?
Answer
One Curve® is best suited for: single-file rotary simplicity, controlled-memory flexibility, pre-bendable for difficult access.
What speed and torque settings are recommended for One Curve?
Answer
Recommended settings: 300 RPM and 2.
Reviewed by
Dr. Levent Yuksel
DDS · Endodontist
Independently authored and clinically reviewed.