d.SIGN 98

Au (85.9%)-based dental metal-ceramic alloy, Type 4
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d.SIGN 98 is a high gold, palladium-free ceramic alloy. The mechanical properties allow for a wide range of indications and the golden yellow colour enhances the natural shade reproduction in the veneer.

Indications*

  • Telescope crowns, conus crowns
  • Bridges
  • Wide-span bridges
  • Cast posts / cores, bars, attachments
  • Implant-supported superstructures
  • Partial dentures

Technical Data

Composition (%):  Au 85.9 | Pt 12.1 | Zn 1.5 | In <1.0,Ir <1.0, Fe <1.0, Mn <1.0, Ta <1.0
ISO  22674:2016
ADA Class High Noble
Type / Color 4 / Rich Yellow
Density (g/cm³) 18.9
Melting Range (Solidus/Liquidus): 1055 - 1150 °C
Elastic Modulus (GPa): 110
  Porcelain Fired        Hardened                  
Vickers Hardness: 220                           235
Tensile Strength (MPa): 585                           675
0.2% Proof Stress (MPa):  510                           570
Elongation (%): 6                                5

 

Advantages

  • Pd-free
  • Golden yellow colour
  • Light oxide
  • Compatible with conventional metal-ceramics (e. g. IPS Style)
  • Tested biocompatibility

Processing Data

Investment Material:  Phosphate-bonded
Preheating / Burn- out Temperature: 750 - 800 °C
Crucible  Ceramic crucible
Casting Temperature: 1210 - 1270 °C
Oxidation  °C/min/Vacuum: 925 / 5 / No
CTE: (25 – 500 °C): 14.3 x 10-6 /K
Recommended Metal Ceramic: IPS Style, IPS InLine One, IPS InLine,PoM, IPS Classic
Laser Welding Wire: Laser Ceramic Yellow PdF

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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