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Protocol
Protocol is a palladium-based ceramic alloy, compatible with conventional metal-ceramics. Its mechanical properties and good flow properties allow accurately fitting casting objects to be produced.
Indications*
- Inlays
- Onlays, ¾ crowns, crowns
- Telescope crowns, conus crowns
- Bridges
- Wide bridges
- Cast posts / cores, bars, attachments
- Implant-supported superstructures
- Partial dentures
Technical Data
| Composition (%): | Pd 75.2 | Au 6.0 | Ag 6.5 | In 6.0 | Ga 6.0 | Ru <1.0, Li <1.0 |
| ISO | 22674:2016 |
| ADA Class: | Noble |
| Type / Color: | 4 / White |
| Density (g/cm³) | 11.3 |
| Melting Range (Solidus/Liquidus): | 1270 - 1310 °C |
| Elastic Modulus (GPa): | 134 |
| Porcelain Fired | |
| Vickers Hardness: | 235 |
| Tensile Strength (MPa): | 745 |
| 0.2% Proof Stress (MPa): | 500 |
| Elongation (%): | 30 |
Advantages
- Excellent melting and flow properties
- Easy processing and polishing
- Wide range of indications
- Compatible with conventional metal-ceramics (e.g. IPS Style)
- Certified biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded |
| Preheating / Burn- out Temperature: | 750 - 820 °C |
| Crucible | Ceramic crucible |
| Casting Temperature: | 1365 - 1425 °C |
| Oxidation °C/min/Vacuum: | 950 / 1 / No |
| CTE: | (25 – 500 °C): 13.8 x 10-6 /K |
| Recommended Metal Ceramic: | IPS Style, IPS InLine One, IPS InLine, IPS InLine PoM, IPS Classic, IPS d.SIGN |
| Laser Welding Wire: | Laser Ceramic White |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES