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d.SIGN 91

Extra hard reduced gold ceramic alloy with properties coordinated with IPS d.SIGN.

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.

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

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

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