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One Shape vs V-Blue

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

TR

One Shape®

Micro-Mega (COLTENE)

Single-File Rotary Simplicity

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V-Blue™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Blue NiTi with Convex Triangle Cross-Section

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Clinical Tip

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

Specifications

Specifications comparison: One Shape vs V-Blue
One ShapeV-Blue
ManufacturerMicro-Mega (COLTENE)Perfect Dental (Shenzhen Perfect Medical Instruments)
AlloyConventional NiTiBlue Heat-Treated NiTi
Heat TreatmentConventionalBlue Heat-Treated
MotionContinuous RotationContinuous Rotation
Files112
Taper6%4%, 6%
Cross-sectionVariable asymmetric (3→2 cutting edges)Convex triangle (per brochure body text)
Speed350 RPM250 RPM
Torque2.5 Ncm
Use TypeSingle-useSingle-use

Best For

One Shape

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

V-Blue

crown-down rotary shapingcurved canals where Blue flexibility matterspractices wanting a wide size/taper matrix in one system

Key Features

One Shape

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

V-Blue

Crown-down rotary system in 15–40 tip sizes with .04 and .06 tapers, convex triangular cross-section to reduce rotational friction, and Blue heat-treated NiTi conforming to natural canal curvatures (per brochure)