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E-Flex Gold vs One Shape

Eighteeth · Micro-Mega (COLTENE)

TR

E-Flex Gold

Eighteeth

Gold Heat-Treated Economy

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One Shape®

Micro-Mega (COLTENE)

Single-File Rotary Simplicity

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Clinical Tip

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

Specifications

Specifications comparison: E-Flex Gold vs One Shape
E-Flex GoldOne Shape
ManufacturerEighteethMicro-Mega (COLTENE)
AlloyControl Memory NiTi (gold heat-treated)Conventional NiTi
Heat TreatmentGold Heat-TreatedConventional
MotionContinuous RotationContinuous Rotation
Files91
TaperVariable6%
Cross-sectionNot specifiedVariable asymmetric (3→2 cutting edges)
Speed300–350 RPM350 RPM
Torque2.5–3 Ncm2.5 Ncm
Use TypeSingle-useSingle-use

Best For

E-Flex Gold

cost-effective gold heat-treated rotary systemintegrated workflow (orifice opener + glider + shaping in one family)single uniform speed/torque setting (350 RPM / 2 Ncm)

One Shape

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

Key Features

E-Flex Gold

Gold heat-treated CM wire with integrated orifice opener (17/.08) and glider (19/.02) — variable pitch design with non-cutting safety tip

One Shape

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