W-1 is a classical, palladium-based ceramic alloy, compatible with conventional metal-ceramics. Its mechanical properties and easy processing allow a wide range of indications.
Indications*
- Onlays, ¾ crowns, crowns
- Telescope crowns, conus crowns
- Bridges
- Wide-span bridges
- Cast posts / cores, bars, attachments
- Partial dentures
Technical Data
| Composition (%): | Pd 53.3 | Ag 37.7 | Sn 8.5 | In <1.0, Ru <1.0, Li <1.0 |
| ISO | 22674:2016 |
| ADA Class: | Noble |
| Type / Color: | 4 / White |
| Density (g/cm³) | 11.1 |
| Melting Range (Solidus/Liquidus): | 1185 - 1270 °C |
| Elastic Modulus (GPa): | 120 |
| Porcelain Fired Hardened | |
| Vickers Hardness: | 225 285 |
| Tensile Strength (MPa): | 650 760 |
| 0.2% Proof Stress (MPa): | 450 605 |
| Elongation (%): | 11 5 |
Advantages
- Easy processing and polishing
- Decades of successful use
- Wide range of indications
- Compatible with conventional metal-ceramics (e.g. IPS Style)
- Tested biocompatibility
Processing Data
| Investment Material: | Phosphate-bonded |
| Preheating / Burn- out Temperature: | 750 - 820 °C |
| Crucible | Ceramic crucible |
| Casting Temperature: | 1320 - 1380 °C |
| Oxidation °C/min/Vacuum: | 1010 / 5 / Yes |
| CTE: | (25 – 500 °C): 15.0 x 10-6 /K |
| Recommended Metal Ceramic: | IPS Style, IPS InLine One, IPS InLine, IPS Classic |
| Laser Welding Wire: | Laser Ceramic Yellow |
*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES