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d.SIGN 91

d.SIGN 91 is an extra hard reduced gold ceramic alloy. Its mechanical and physical properties are coordinated with the IPS d.SIGN fluorapatite metal-ceramic.

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Advantages

  • Silver and copper free
  • Increased hardness
  • Wide range of indications
  • Excellent resistance to oral conditions
  • Certified biocompatibility
  • Excellent flow properties

Indications

  • Onlays
  • Inlays
  • Partial crowns
  • Single crowns
  • Telescope and conus crowns
  • Root canal posts
  • Short- and long-span bridges
  • Implant superstructures
  • Model casts
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Composition

Au 60.0
Pd 30.6
In 8.4
Ga 1.0
Re < 1.0
Ru < 1.0

Technical data

Type                                             4
Colour                                         white
Density (g/cm³)                          14.3
Melting range (°C)                     1175 - 1305
Casting temperature (°C)        1360 - 1420
Modulus of Elasticity (MPa)     108.000
CTE 25 – 500 °C                       14.2
CTE 20 – 600 °C                       14.4
Elongation (%)                           31.0
Vickers hardness                      250
0.2% proof stress (MPa)          500