K One™
Perfect Dental (Shenzhen Perfect Medical Instruments)
Pediatric Single-File for Primary Teeth
View protocol →TF4™
Perfect Dental (Shenzhen Perfect Medical Instruments)
Rotary + Reciprocating Hybrid Sequence
View protocol →Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | K One | TF4 |
|---|---|---|
| Manufacturer | Perfect Dental (Shenzhen Perfect Medical Instruments) | Perfect Dental (Shenzhen Perfect Medical Instruments) |
| Alloy | NiTi | NiTi |
| Heat Treatment | Conventional | Conventional |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 1 | 4 |
| Taper | 6% | Variable |
| Cross-section | Spiral-shaped tip end on a single blade (per brochure description) | Not specified by name in IFU text |
| Speed | 250 RPM | 350 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
TF4
rotary + reciprocating hybrid workflowclinicians comfortable switching motor modes mid-casemoderate-curvature anatomy
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)
TF4
Four-file hybrid sequence (T20 20/.07, T25 25/.07, T35 35/.06, T45 45/.05) where T25 25/.07 is run in reciprocating motion within an otherwise rotary workflow at 350 rpm / 2.0–3.0 N·cm (per IFU spec table and step-by-step)