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	Capricorn 15 Porcelain Alloy	Aries Porcelain Alloy	Brite Gold XH Porcelain Alloy	IPS d.SIGN 67 Porcelain Alloy	Spartan Porcelain Alloy
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Description	Capricorn 15 is a palladium-silver alloy with coordinated mechanical and physical properties for conventional feldspar ceramics.	Aries is a clinically proven palladium-based ceramic alloy demonstrating outstanding properties.	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	IPS d.SIGN 67 is a palladium-silver ceramic alloy. Its mechanical and physical properties are coordinated with the IPS d.SIGN fluorapatite glass-	Clinically proven palladium-based ceramic alloy demonstrating outstanding properties
Composition	Gold: 15 % Palladium: 51.9 % Silver: 23 % Indium: 8 % Gallium: 2 % Rhenium: Less Than 1 % Ruthenium: Less Than 1 %	Palladium: 63.7 % Silver: 26 % Tin: 7 % Gallium: 1.8 % Indium: 1.5 % Ruthenium: Less Than 1 % Rhenium: Less Than 1 %	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 %	Palladium: 62.7 % Silver: 20 % Tin: 10 % Gold: 4 % Gallium: 1.7 % Indium: 1.5 % Iridium: Less Than 1 % Ruthenium: Less Than 1 % Lithium: Less Than 1 % Rhenium: Less Than 1 %	Palladium: 78.7 % Copper: 10 % Gallium: 9 % Gold: 2 % Iridium: Less Than 1 % Boron: Les Than 1 %
Hardness	255 HV	195 HV	180 HV	240 HV	360 HV
Tensile Strength	101 N/mm²	98 N/mm²	107.0 N/mm²	104 N/mm²	94 N/mm²
Indications for Use	Onlays Partial Crowns Single Crowns Telescope And Conus Crowns Posts Short And Long Span Bridges Implant Superstructures Partial Dentures	Onlays Inlays 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 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 Implant Superstructures Model Casts	Onlays Partial Crowns Single Crowns Telescope And Conus Crowns Posts Short And Long Span Bridges Implant Superstructures Partial Dentures
Color	White	White	Rich Yellow	White	White
Compatible Porcelains	IPS Classic And Conventional Ceramics	Not Available	Conventional Feldspar Ceramics	Not Available	Not Available
Melting Interval	1,230° C - 1,310° C	1,165° C - 1,290° C	1,080° C - 1,150° C	1,150° C - 1,270° C	1,115° C - 1,160° C
Casting Temperature	1,365° C - 1,425° C	1,345° C - 1,405° C	1,205° C - 1,265° C	1,325° C - 1,385° C	1,215° C - 1,275° C
Expansion	21 %	46 %	11 %	15 %	19 %
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