Side-by-side comparison of Porcelain Alloys

Porcelain alloys are used to fabricate copings and other substructures for crowns and bridges. These metals are cast to create a strong and properly fitting base to support an esthetic porcelain fused to metal (PFM) crown or bridge. A wide range of high noble, noble and base metal compositions can be used for fabricating PFM substructures, so there are numerous alloys that can be used. When considering a porcelain alloy it is important to consider how well the alloy bonds with your prefered ceramic system. Other key attributes of these materials are their specific working properties for casting, along with color and esthetic qualities.


Company	Ivoclar Vivadent Inc.	Ivoclar Vivadent Inc.	Ivoclar Vivadent Inc.	Ivoclar Vivadent Inc.	Ivoclar Vivadent Inc.
Item	Brite Gold XH Porcelain Alloy	Aquarius Porcelain Alloy	BioUniversal PKF Porcelain Alloy	Evolution Lite Porcelain Alloy	Spartan Porcelain Alloy
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Description	Brite Gold XH is a high-gold ceramic alloy offering a wide range of indications and a rich golden-yellow colour for a true-to-nature esthetic shade	Aquarius is a clinically proven high-gold ceramic alloy demonstrating outstanding properties.	BioUniversal PKF is a high-gold universal alloy for veneering applications involving special ceramic and composite materials.	Evolution Lite is a gold-containing alloy with optimum mechanical and physical properties for IPS InLine Metal-Ceramic and conventional feldspar	Clinically proven palladium-based ceramic alloy demonstrating outstanding properties
Composition	Gold: 88.9 % Platinum: 9 % Indium: Less Than 1 % Tin: Less Than 1 % Iron: Less Than 1 % Manganese: Less Than 1 % Iridium: Less Than 1 % Lithium: Less Than 1 %	Gold: 86 % Platinum: 11 % Tin: Less Than 1 % Indium: 2.5 % Iridium: Less Than 1 % Tantalum: Less Than 1 % Lithium: Less Than 1 %	Gold: 75 % Platinum: 8.6 % Silver: 11.9 % Zinc : 2 % Indium : Less Than 1 % Iridium: Less Than 1 % Iron: Less Than 1 % Tantalum: Less Than 1 % Rhodium: Less Than 1 %	Gold: 40.3 % Palladium: 39.3 % Indium: 9.3 % Silver: 9.2 % Gallium: 1.8 % Ruthenium: Less Than 1 %	Palladium: 78.7 % Copper: 10 % Gallium: 9 % Gold: 2 % Iridium: Less Than 1 % Boron: Les Than 1 %
Hardness	180 HV	160 HV	165 HV	280 HV	360 HV
Tensile Strength	107.0 N/mm²	79 N/mm²	89 N/mm²	130 N/mm²	94 N/mm²
Indications for Use	Inlays Onlays Partial Crowns Single Crowns Telescope And Conus Crowns Root Canal Posts Short And Long Span Bridges	Inlays Onlays Partial Crowns Single Crowns Telescope And Conus Crowns Short-Span Bridges	Onlays Partial Crowns Single Crowns Telescope And Conus Crowns Root Canal Posts Short And Long Span Bridges	Onlays Inlays Partial Crowns Single Crowns Telescope And Conus Crowns Root Canal Posts Short And Long Span Bridges Model Casts Implant Superstructures	Onlays Partial Crowns Single Crowns Telescope And Conus Crowns Posts Short And Long Span Bridges Implant Superstructures Partial Dentures
Color	Rich Yellow	Rich Yellow	Yellow	White	White
Compatible Porcelains	Conventional Feldspar Ceramics	Not Available	Low Fusing Ceramics Composite Veneering Materials	Not Available	Not Available
Melting Interval	1,080° C - 1,150° C	1,010° C - 1,135° C	945° C - 1,035° C	1,100° C - 1,260° C	1,115° C - 1,160° C
Casting Temperature	1,205° C - 1,265° C	1,190° C - 1,250° C	1,090° C - 1,150° C	1,315° C - 1,375° C	1,215° C - 1,275° C
Expansion	11 %	12 %	8 %	11 %	19 %
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