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One Curve vs One Shape

Micro-Mega (COLTENE)

TR

One Curve®

Micro-Mega (COLTENE)

Single-File Simplicity

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One Shape®

Micro-Mega (COLTENE)

Single-File Rotary Simplicity

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Clinical Tip

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

Specifications

Specifications comparison: One Curve vs One Shape
One CurveOne Shape
ManufacturerMicro-Mega (COLTENE)Micro-Mega (COLTENE)
AlloyC.Wire NiTiConventional NiTi
Heat TreatmentC-WireConventional
MotionContinuous RotationContinuous Rotation
Files41
Taper6%, 4%6%
Cross-sectionVariableVariable asymmetric (3→2 cutting edges)
Speed300 RPM350 RPM
Torque2.5 Ncm2.5 Ncm
Use TypeSingle-useSingle-use

Best For

One Curve

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

One Shape

single-file rotary simplicityefficient continuous rotation shapingcost-effective one-instrument workflow

Key Features

One Curve

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

One Shape

Single-file continuous rotation with variable asymmetric cross-section (3 to 2 cutting edges) and ABC anti-breakage control