BioPorta G

Au (85.5%)-based dental metal-ceramic alloy, Type 4

BioPorta G

BioPorta G is a high gold, palladium-free ceramic alloy. The mechanical properties allow a wide range of indications and the golden yellow colour enhances the natural shade reproduction in the veneer.

Indications*

  • Inlays
  • Onlays, ¾ crowns, crowns
  • Telescope crowns, conus crowns
  • Bridges
  • Wide-span bridges
  • Cast posts / cores, bars, attachments
  • Implant-supported superstructures
  • Partial dentures

Technical Data

Composition (%):  Au 85.5 | Pt 11.5 | Zn 1.4 | In <1.0, Fe <1.0, W <1.0, Rh <1.0
ISO  22674:2016
Type / Color: 4 / Rich Yellow
Density (g/cm³) 18.9
Melting Range (Solidus/Liquidus): 1040 - 1110 °C
Elastic Modulus (GPa): 103
  Porcelain Fired        Hardened                  
Vickers Hardness: 200                           210
Tensile Strength (MPa): 590                           630
0.2% Proof Stress (MPa):  500                           560
Elongation (%): 3                               3

Advantages

  • Pd and Zn-free
  • Esthetic, golden yellow colour
  • 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: 850 °C
Crucible  Carbon crucible / Ceramic crucible
Casting Temperature: 1600 °C
Oxidation  °C/min/Vacuum: 930 / 5 / No
CTE: (25 – 500 °C): 14.5 x 10-6 /K
Recommended Metal Ceramic: IPS Style, IPS InLine
Laser Welding Wire: BioPorta G

*See TYPE CLASSIFICATION DUE TO PHYSICAL PROPERTIES

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