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K3XF vs RC

Kerr Endodontics · Perfect Dental (Shenzhen Perfect Medical Instruments)

TR

K3XF™

Kerr Endodontics

R-Phase Enhanced K3 Design

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RC™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Reciprocating NiTi — Original

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Clinical Tip

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

Specifications

Specifications comparison: K3XF vs RC
K3XFRC
ManufacturerKerr EndodonticsPerfect Dental (Shenzhen Perfect Medical Instruments)
AlloyR-Phase™ Heat-Treated NiTiNiTi (conventional)
Heat TreatmentR-PhaseConventional
MotionContinuous RotationReciprocating
Files243
TaperVariableVariable
Cross-sectionAsymmetric Triple-FlutedNot specified in IFU text
Speed350 RPM
Torque3 Ncm2 Ncm
Use TypeReusable (limited)Single-use

Best For

K3XF

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

RC

value-tier reciprocating sequencegeneral shaping in mild–moderate curvaturepractices wanting an entry-level RC system

Key Features

K3XF

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

RC

Three-instrument reciprocating set (R25 25/.08, R40 40/.06, R50 50/.05) operated at 250–360 rpm with 2.0–3.0 N·cm torque (per IFU spec table)