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One Shape vs RC

Micro-Mega (COLTENE) · Perfect Dental (Shenzhen Perfect Medical Instruments)

TR

One Shape®

Micro-Mega (COLTENE)

Single-File Rotary Simplicity

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RC™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Reciprocating NiTi — Original

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Clinical Tip

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

Specifications

Specifications comparison: One Shape vs RC
One ShapeRC
ManufacturerMicro-Mega (COLTENE)Perfect Dental (Shenzhen Perfect Medical Instruments)
AlloyConventional NiTiNiTi (conventional)
Heat TreatmentConventionalConventional
MotionContinuous RotationReciprocating
Files13
Taper6%Variable
Cross-sectionVariable asymmetric (3→2 cutting edges)Not specified in IFU text
Speed350 RPM
Torque2.5 Ncm2 Ncm
Use TypeSingle-useSingle-use

Best For

One Shape

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

RC

value-tier reciprocating sequencegeneral shaping in mild–moderate curvaturepractices wanting an entry-level RC system

Key Features

One Shape

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

RC

Three-instrument reciprocating set (R25 25/.08, R40 40/.06, R50 50/.05) operated at 250–360 rpm with 2.0–3.0 N·cm torque (per IFU spec table)