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One Shape vs ProTaper Ultimate

Micro-Mega (COLTENE) · Dentsply Sirona

TR

One Shape®

Micro-Mega (COLTENE)

Single-File Rotary 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 Shape vs ProTaper Ultimate
One ShapeProTaper Ultimate
ManufacturerMicro-Mega (COLTENE)Dentsply Sirona
AlloyConventional NiTiM-Wire / Gold / Blue Heat-Treated NiTi
Heat TreatmentConventionalGold Heat-Treated
MotionContinuous RotationContinuous Rotation
Files18
Taper6%Variable
Cross-sectionVariable asymmetric (3→2 cutting edges)Parallelogram (variable acute angles, off-centered)
Speed350 RPM400 RPM
Torque2.5 Ncm4 Ncm
Use TypeSingle-useSingle-use

Best For

One Shape

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

ProTaper Ultimate

5th generation ProTaper evolutionK-file free workflowcomplex anatomy with manual fallback for severe curves

Key Features

One Shape

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

ProTaper Ultimate

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