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K3XF vs MG3 Blue

Kerr Endodontics · Perfect Dental (Shenzhen Perfect Medical Instruments)

TR

K3XF™

Kerr Endodontics

R-Phase Enhanced K3 Design

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MG3 Blue™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Heat-Treated MG3 for Improved Flexibility

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Clinical Tip

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

Specifications

Specifications comparison: K3XF vs MG3 Blue
K3XFMG3 Blue
ManufacturerKerr EndodonticsPerfect Dental (Shenzhen Perfect Medical Instruments)
AlloyR-Phase™ Heat-Treated NiTiBlue Heat-Treated NiTi
Heat TreatmentR-PhaseBlue Heat-Treated
MotionContinuous RotationContinuous Rotation
Files245
TaperVariableVariable
Cross-sectionAsymmetric Triple-FlutedBrochure-described "adapted" cross-section (geometry not named)
Speed350 RPM300 RPM
Torque3 Ncm2–3 Ncm
Use TypeReusable (limited)Single-use

Best For

K3XF

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

MG3 Blue

heat-treated multi-file rotary sequencecurved canals with apical curvaturepractices preferring a structured crown-down → shape workflow

Key Features

K3XF

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

MG3 Blue

Blue heat-treated MG3 family with SV orifice opener, PX glide-path file, and G1/G2X/G2 shapers; brochure cites "adapted cross-section" for debris removal and increased flexibility / cyclic fatigue resistance vs conventional NiTi (per brochure Features section)