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One Curve vs TruNatomy

Micro-Mega (COLTENE) · Dentsply Sirona

TR

One Curve®

Micro-Mega (COLTENE)

Single-File Simplicity

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TruNatomy®

Dentsply Sirona

True, Natural, Anatomy

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Clinical Tip

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

Specifications

Specifications comparison: One Curve vs TruNatomy
One CurveTruNatomy
ManufacturerMicro-Mega (COLTENE)Dentsply Sirona
AlloyC.Wire NiTiHeat-Treated NiTi
Heat TreatmentC-WireOther
MotionContinuous RotationContinuous Rotation
Files46
Taper6%, 4%Variable
Cross-sectionVariableOff-centered parallelogram, Centered parallelogram (2 cutting edges)
Speed300 RPM500 RPM
Torque2.5 Ncm1.5 Ncm
Use TypeSingle-useSingle-use

Best For

One Curve

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

TruNatomy

dentin preservationconservative accessminimally invasive

Key Features

One Curve

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

TruNatomy

Slim 0.8mm MFD with off-centered parallelogram cross-section preserves peri-cervical dentin while maintaining shaping efficiency