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One Shape vs MG3 Blue

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

TR

One Shape®

Micro-Mega (COLTENE)

Single-File Rotary Simplicity

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MG3 Blue™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Heat-Treated MG3 for Improved Flexibility

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Clinical Tip

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

Specifications

Specifications comparison: One Shape vs MG3 Blue
One ShapeMG3 Blue
ManufacturerMicro-Mega (COLTENE)Perfect Dental (Shenzhen Perfect Medical Instruments)
AlloyConventional NiTiBlue Heat-Treated NiTi
Heat TreatmentConventionalBlue Heat-Treated
MotionContinuous RotationContinuous Rotation
Files15
Taper6%Variable
Cross-sectionVariable asymmetric (3→2 cutting edges)Brochure-described "adapted" cross-section (geometry not named)
Speed350 RPM300 RPM
Torque2.5 Ncm2–3 Ncm
Use TypeSingle-useSingle-use

Best For

One Shape

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

MG3 Blue

heat-treated multi-file rotary sequencecurved canals with apical curvaturepractices preferring a structured crown-down → shape workflow

Key Features

One Shape

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

MG3 Blue

Blue heat-treated MG3 family with SV orifice opener, PX glide-path file, and G1/G2X/G2 shapers; brochure cites "adapted cross-section" for debris removal and increased flexibility / cyclic fatigue resistance vs conventional NiTi (per brochure Features section)