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K3XF vs ProTaper Gold

Kerr Endodontics · Dentsply Sirona

TR

K3XF™

Kerr Endodontics

R-Phase Enhanced K3 Design

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ProTaper Gold®

Dentsply Sirona

The Gold Standard

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Clinical Tip

ProTaper Gold shapes with progressive-taper files in a fixed SX–F5 sequence at 300 RPM with graduated torque ranges; K3XF is a constant-taper matrix (.04–.12, sizes 15–40) in R-Phase NiTi at 350 RPM / 3.0 Ncm, pre-bendable and reusable within limits. Choose ProTaper Gold for a fixed sequence with independent evidence, K3XF for free size/taper selection and reuse.

Specifications

Specifications comparison: K3XF vs ProTaper Gold
K3XFProTaper Gold
ManufacturerKerr EndodonticsDentsply Sirona
AlloyR-Phase™ Heat-Treated NiTiGold Heat-Treated NiTi
Heat TreatmentR-PhaseGold Heat-Treated
MotionContinuous RotationContinuous Rotation
Files248
TaperVariableVariable
Cross-sectionAsymmetric Triple-FlutedConvex triangular, Concave triangular
Speed350 RPM300 RPM
Torque3 Ncm1.5–5 Ncm
Use TypeReusable (limited)Reusable (limited)

Best For

K3XF

versatile multi-taper rotary shapingclinicians familiar with K3 techniquecases requiring wide taper selection (.04-.12)

ProTaper Gold

versatile multi-file sequencecomplex anatomygraduated shaping

Key Features

K3XF

Original K3 asymmetric triple-fluted design enhanced with R-Phase heat treatment for improved flexibility and cyclic fatigue resistance

ProTaper Gold

Variable taper design with progressive engagement