K One™
Perfect Dental (Shenzhen Perfect Medical Instruments)
Pediatric Single-File for Primary Teeth
View protocol →RC™
Perfect Dental (Shenzhen Perfect Medical Instruments)
Reciprocating NiTi — Original
View protocol →Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | K One | RC |
|---|---|---|
| Manufacturer | Perfect Dental (Shenzhen Perfect Medical Instruments) | Perfect Dental (Shenzhen Perfect Medical Instruments) |
| Alloy | NiTi | NiTi (conventional) |
| Heat Treatment | Conventional | Conventional |
| Motion | Continuous Rotation | Reciprocating |
| Files | 1 | 3 |
| Taper | 6% | Variable |
| Cross-section | Spiral-shaped tip end on a single blade (per brochure description) | Not specified in IFU text |
| Speed | 250 RPM | — |
| Torque | 1.5 Ncm | 2 Ncm |
| Use Type | Single-use | Single-use |
Best For
K One
primary-tooth pulpectomyshort pediatric canalssingle-file pediatric workflow
RC
value-tier reciprocating sequencegeneral shaping in mild–moderate curvaturepractices wanting an entry-level RC system
Key Features
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)
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)