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One Shape vs S-Blue

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

TR

One Shape®

Micro-Mega (COLTENE)

Single-File Rotary Simplicity

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S-Blue™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Entry-Level Heat-Activated System

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Clinical Tip

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

Specifications

Specifications comparison: One Shape vs S-Blue
One ShapeS-Blue
ManufacturerMicro-Mega (COLTENE)Perfect Dental (Shenzhen Perfect Medical Instruments)
AlloyConventional NiTiBlue Heat-Activated NiTi
Heat TreatmentConventionalBlue Heat-Treated
MotionContinuous RotationContinuous Rotation
Files14
Taper6%Variable
Cross-sectionVariable asymmetric (3→2 cutting edges)Circular triangular (per brochure)
Speed350 RPM425 RPM
Torque2.5 Ncm2.5 Ncm
Use TypeSingle-useSingle-use

Best For

One Shape

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

S-Blue

entry-level heat-treated rotary sequencegeneral posterior shaping with predictable motor settingspre-bendable files for moderate access challenges

Key Features

One Shape

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

S-Blue

Four-file rotary sequence (B0 starter, B1, B2, B3) with circular triangle cross-section, uniform 425–500 rpm / 2.5 N·cm settings, and pre-bendable heat-activated NiTi (per brochure Design Concept and Specification table; brochure body says only "heat-activated material" — "Blue" is inferred from the product name)