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
| — | HyFlex CM | K One |
|---|---|---|
| Manufacturer | Coltene | Perfect Dental (Shenzhen Perfect Medical Instruments) |
| Alloy | CM-Wire (Controlled Memory NiTi) | NiTi |
| Heat Treatment | CM-Wire | Conventional |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 6 | 1 |
| Taper | Variable | 6% |
| Cross-section | Triangular / Quadrangular (mixed design) | Spiral-shaped tip end on a single blade (per brochure description) |
| Speed | 500 RPM | 250 RPM |
| Torque | 2.5 Ncm | 1.5 Ncm |
| Use Type | Reusable (limited) | Single-use |
Best For
HyFlex CM
curved canals requiring pre-bent filesanatomical shaping with multiple sizing optionsreusable with autoclave regeneration
K One
primary-tooth pulpectomyshort pediatric canalssingle-file pediatric workflow
Key Features
HyFlex CM
Pre-bendable like stainless steel with enhanced cyclic fatigue resistance vs conventional NiTi (manufacturer reports up to 300%, in-house bench data)
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)