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One Shape vs T-Flex

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

TR

One Shape®

Micro-Mega (COLTENE)

Single-File Rotary Simplicity

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T-Flex™

Perfect Dental (Shenzhen Perfect Medical Instruments)

High-Purity NiTi Tuned for Curved Canals

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Clinical Tip

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

Specifications

Specifications comparison: One Shape vs T-Flex
One ShapeT-Flex
ManufacturerMicro-Mega (COLTENE)Perfect Dental (Shenzhen Perfect Medical Instruments)
AlloyConventional NiTiHigh-Purity Black NiTi (low carbon/oxygen)
Heat TreatmentConventionalOther
MotionContinuous RotationContinuous Rotation
Files15
Taper6%Variable
Cross-sectionVariable asymmetric (3→2 cutting edges)Brochure shows a cross-section illustration but does not name the geometry
Speed350 RPM300 RPM
Torque2.5 Ncm1.5–2.5 Ncm
Use TypeSingle-useSingle-use

Best For

One Shape

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

T-Flex

curved canal preparationgeneral multi-file rotary shapingpractices wanting a balanced flexibility/cutting profile

Key Features

One Shape

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

T-Flex

Five-file rotary sequence (20/.10 opener, 15/.03, 20/.04, 25/.04, 25/.06) made from high-purity NiTi with low carbon and oxygen impurities, intended for curved anatomy and reduced canal transportation (per brochure)