Cobalt Chrome Alloy Disc
A core substrate for metal-ceramic restorations, designed for CAD/CAM systems to fabricate crowns, bridges, and implant-supported denture frameworks. Its high biocompatibility (compliant with ASTM F67) and corrosion resistance ensure long-term intraoral stability.
Specification
Parameter |
Value |
| Dimensions | Ø98mm (Thickness: 8-25mm) |
| Thermal Expansion | 14.5×10⁻⁶/℃ (matches high-fusing ceramics) |
| Surface Treatment | Pre-oxidation at 900°C/5min for ceramic bonding |
| Certifications | CE 0459, CFDA Class II (Reg.2025XXXX) |
Material Superiority
- Composition：Co 58-65%, Cr 25-30%, Mo 5-7% (ASTM F75 compliant)
- Biocompatibility：ISO 10993-1 certified with Ni release <0.5μg/cm²/week
- Mechanical Strength：800-1000MPa tensile strength for posterior multi-unit bridges
Clinical Applications
- Full-Coverage Crowns：Minimal thickness 0.3mm for conservative tooth preparation.
- Long-Span Bridges：Supports up to 6-unit prostheses in posterior regions.
- Hybrid Prostheses：Combines with PMMA temporaries for immediate loading.
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