Chongqing Leomed Technology Co., Ltd.
Chongqing Leomed Technology Co., Ltd.
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Designed for permanent implant prosthetics, these medical-grade PEEK discs deliver bone-like elasticity (4-5.6GPa modulus) and >160MPa bending strength – enabling metal-free solutions for high-stress dental applications. The semi-crystalline thermoplastic retains dimensional integrity at 260°C, ensuring sub-50μm accuracy in CAD/CAM workflows.
Cortical Bone-Matched Stiffness: 4.0-5.6GPa modulus eliminates stress shielding
Fatigue Resistance: 160MPa+ flexural strength supports multi-unit bridges
Bioinert Surface: ISO 10993-certified, inhibits bacterial colonization
Radiolucency: Zero imaging artifacts in CT/MRI scans
| Property | PEEK Discs | Titanium Abutments | PMMA Temporaries |
| Elastic Modulus (GPa) | 4.0-5.6 | 110-120 | 2.0-3.0 |
| Density (g/cm³) | 1.32-1.51 | 4.4-4.5 | 1.15-1.19 |
| Allergy Risk | None | >8% Nickel Sensitivity | <0.1% |
| Aesthetic Adaptability | ★★★★☆ (Tintable) | ★☆☆☆☆ | ★★★★★ |
Tool Selection
Diamond-coated carbide burs
Spindle speed: 18,000-25,000 RPM
Workholding
Vacuum pressure ≥0.75 MPa
3mm edge margin required
Post-Processing
Sandblasting: 50μm alumina oxide
Staining: PEEK-specific dyes (80°C/10min)
► Healing Abutments
- Osteoblast proliferation rate ↑37% vs. titanium
► Removable Partial Dentures
- 60% lighter than cobalt-chrome frameworks
► Surgical Guides
- Withstands 200+ autoclave cycles (134°C)
| Property | Natural | White | Yellow | Red |
| Density (g/cm³) | 1.32 | 1.48 | 1.51 | 1.35 |
| Flexural Strength (MPa) | 163 | 152 | 154 | 158 |
| Modulus (GPa) | 4 | 5.3 | 5.6 | 4.8 |
| Fracture Toughness (KJ/m²) | 199 | 145 | 162 | 176 |