Skip to content

One Curve vs R-Motion

Micro-Mega (COLTENE) · FKG Dentaire

TR

One Curve®

Micro-Mega (COLTENE)

Single-File Simplicity

View protocol →

R-Motion®

FKG Dentaire

Swiss Precision Reciprocation

View protocol →

Clinical Tip

Compare specifications above to choose the best system for your clinical case.

Specifications

Specifications comparison: One Curve vs R-Motion
One CurveR-Motion
ManufacturerMicro-Mega (COLTENE)FKG Dentaire
AlloyC.Wire NiTiHeat-Treated NiTi
Heat TreatmentC-WireOther
MotionContinuous RotationReciprocating
Files47
Taper6%, 4%Variable
Cross-sectionVariableRounded triangular
Speed300 RPM
Torque2.5 Ncm
Use TypeSingle-useSingle-use

Best For

One Curve

single-file rotary simplicitycontrolled-memory flexibilitypre-bendable for difficult access

R-Motion

minimally invasive reciprocationlower dentine stresswide curvature accommodation

Key Features

One Curve

Controlled-memory single-file rotary system with variable cross-section for full canal shaping

R-Motion

Thinner core and optimized tip for lower dentine stress with manufacturer-reported 3.6x cyclic fatigue resistance