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One Curve vs ProTaper Ultimate

Micro-Mega (COLTENE) · Dentsply Sirona

TR

One Curve®

Micro-Mega (COLTENE)

Single-File Simplicity

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ProTaper Ultimate™

Dentsply Sirona

The Ultimate Evolution

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Clinical Tip

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

Specifications

Specifications comparison: One Curve vs ProTaper Ultimate
One CurveProTaper Ultimate
ManufacturerMicro-Mega (COLTENE)Dentsply Sirona
AlloyC.Wire NiTiM-Wire / Gold / Blue Heat-Treated NiTi
Heat TreatmentC-WireGold Heat-Treated
MotionContinuous RotationContinuous Rotation
Files48
Taper6%, 4%Variable
Cross-sectionVariableParallelogram (variable acute angles, off-centered)
Speed300 RPM400 RPM
Torque2.5 Ncm4 Ncm
Use TypeSingle-useSingle-use

Best For

One Curve

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

ProTaper Ultimate

5th generation ProTaper evolutionK-file free workflowcomplex and severely curved canals

Key Features

One Curve

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

ProTaper Ultimate

Slider-Shaper-Finishers concept with dual heat treatments: Gold for standard sequence, Blue for auxiliary finishers in large canals