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K3XF vs S-Blue

Kerr Endodontics · Perfect Dental (Shenzhen Perfect Medical Instruments)

TR

K3XF™

Kerr Endodontics

R-Phase Enhanced K3 Design

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S-Blue™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Entry-Level Heat-Activated System

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Clinical Tip

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

Specifications

Specifications comparison: K3XF vs S-Blue
K3XFS-Blue
ManufacturerKerr EndodonticsPerfect Dental (Shenzhen Perfect Medical Instruments)
AlloyR-Phase™ Heat-Treated NiTiBlue Heat-Activated NiTi
Heat TreatmentR-PhaseBlue Heat-Treated
MotionContinuous RotationContinuous Rotation
Files244
TaperVariableVariable
Cross-sectionAsymmetric Triple-FlutedCircular triangular (per brochure)
Speed350 RPM425 RPM
Torque3 Ncm2.5 Ncm
Use TypeReusable (limited)Single-use

Best For

K3XF

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

S-Blue

entry-level heat-treated rotary sequencegeneral posterior shaping with predictable motor settingspre-bendable files for moderate access challenges

Key Features

K3XF

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

S-Blue

Four-file rotary sequence (B0 starter, B1, B2, B3) with circular triangle cross-section, uniform 425–500 rpm / 2.5 N·cm settings, and pre-bendable heat-activated NiTi (per brochure Design Concept and Specification table; brochure body says only "heat-activated material" — "Blue" is inferred from the product name)