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One Curve vs Perfect TS4

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

TR

One Curve®

Micro-Mega (COLTENE)

Single-File Simplicity

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TS4™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Stepped Rotary + Twin Shaper Sequence

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Clinical Tip

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

Specifications

Specifications comparison: One Curve vs Perfect TS4
One CurvePerfect TS4
ManufacturerMicro-Mega (COLTENE)Perfect Dental (Shenzhen Perfect Medical Instruments)
AlloyC.Wire NiTiNiTi
Heat TreatmentC-WireConventional
MotionContinuous RotationContinuous Rotation
Files45
Taper6%, 4%Variable
Cross-sectionVariableNot specified in IFU text (no spec card image extracted), IFU model code "Twin Shaper" (cross-section geometry not specified in IFU text)
Speed300 RPM350–1000 RPM
Torque2.5 Ncm1–2 Ncm
Use TypeSingle-useSingle-use

Best For

One Curve

single-file rotary simplicitycontrolled-memory flexibilitypre-bendable for difficult access

Perfect TS4

stepped rotary preparation workflowTwin Shaper deep-cleaning finishergeneral posterior shaping with conventional NiTi

Key Features

One Curve

Controlled-memory single-file rotary system with variable cross-section for full canal shaping

Perfect TS4

Five-instrument sequence combining a 20/.07 orifice opener, 15/.04 glider, 25/.02 Twin Shaper, and 030/.04 + 030/.02 deep-cleaning files at differentiated speeds (350–1000 rpm) per brochure-style IFU