Skip to content

One Shape vs K One

Micro-Mega (COLTENE) · Perfect Dental (Shenzhen Perfect Medical Instruments)

TR

One Shape®

Micro-Mega (COLTENE)

Single-File Rotary Simplicity

View protocol →

K One™

Perfect Dental (Shenzhen Perfect Medical Instruments)

Pediatric Single-File for Primary Teeth

View protocol →

Clinical Tip

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

Specifications

Specifications comparison: One Shape vs K One
One ShapeK One
ManufacturerMicro-Mega (COLTENE)Perfect Dental (Shenzhen Perfect Medical Instruments)
AlloyConventional NiTiNiTi
Heat TreatmentConventionalConventional
MotionContinuous RotationContinuous Rotation
Files11
Taper6%6%
Cross-sectionVariable asymmetric (3→2 cutting edges)Spiral-shaped tip end on a single blade (per brochure description)
Speed350 RPM250 RPM
Torque2.5 Ncm1.5 Ncm
Use TypeSingle-useSingle-use

Best For

One Shape

single-file rotary simplicityefficient continuous rotation shapingcost-effective one-instrument workflow

K One

primary-tooth pulpectomyshort pediatric canalssingle-file pediatric workflow

Key Features

One Shape

Single-file continuous rotation with variable asymmetric cross-section (3 to 2 cutting edges) and ABC anti-breakage control

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)