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K3XF vs K One

Kerr Endodontics · Perfect Dental (Shenzhen Perfect Medical Instruments)

TR

K3XF™

Kerr Endodontics

R-Phase Enhanced K3 Design

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K One™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Pediatric Single-File for Primary Teeth

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Clinical Tip

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

Specifications

Specifications comparison: K3XF vs K One
K3XFK One
ManufacturerKerr EndodonticsPerfect Dental (Shenzhen Perfect Medical Instruments)
AlloyR-Phase™ Heat-Treated NiTiNiTi
Heat TreatmentR-PhaseConventional
MotionContinuous RotationContinuous Rotation
Files241
TaperVariable6%
Cross-sectionAsymmetric Triple-FlutedSpiral-shaped tip end on a single blade (per brochure description)
Speed350 RPM250 RPM
Torque3 Ncm1.5 Ncm
Use TypeReusable (limited)Single-use

Best For

K3XF

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

K One

primary-tooth pulpectomyshort pediatric canalssingle-file pediatric workflow

Key Features

K3XF

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

K One

15 mm single rotary file (25/.06) with a brochure-described "special tip design" intended to avoid irritation and damage to the periapical tissue of primary teeth (per brochure)