Side-by-side comparison of Dental Alloys

Dental alloys are used for a casting a range of restorations, copings, frames and more. These alloys can be composed of a range of noble, high noble and base metals, and each mixture offers different properties that can make one alloy ideal for a specific restorative situation and another alloy completely unsuited to the same task. Full contour crowns and bridges are most often case from noble and high noble metals such as gold and platinum, but these softer metals might not be suited for posterior crowns on a bruxing patient. A wider range of alloys can be used for casting copings and substructures for porcelain-fused-to-metal (PFM) restorations. It is important to coordinate the alloy and the ceramic systems being used for a PFM restoration. Casting dental alloys requires specific techniques with different alloys melting at different temperatures, so be sure to follow the protocols that deliver the best results for your lab.


Company	Ivoclar Vivadent Inc.	Ivoclar Vivadent Inc.	Ivoclar Vivadent Inc.	Ivoclar Vivadent Inc.	Ivoclar Vivadent Inc.
Item	Calisto Implant 33 Alloy	BioUniversal E Porcelain Alloy	Capricorn 15 Porcelain Alloy	Evolution Lite Porcelain Alloy	Harmony PF Crown and Bridge Alloy
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Description	Callisto Implant 33 is a reduced-gold ceramic alloy which is especially suitable for the fabrication of implant superstructures as a result of its	BioUniversal is a silver-palladium universal alloy which is suitable as a substructure for veneers made of special ceramic and composite materials.	Capricorn 15 is a palladium-silver alloy with coordinated mechanical and physical properties for conventional feldspar ceramics.	Evolution Lite is a gold-containing alloy with optimum mechanical and physical properties for IPS InLine Metal-Ceramic and conventional feldspar	Clinically proven high gold crown and bridge alloy demonstrating outstanding properties.
Composition	Palladium: 52.8 % Gold: 33 % Silver: 7.2 % Gallium: 4.1 % Tin: 2.4 % Indium: Less Than 1 % Rhenium: Less Than 1 % Ruthenium: Less Than1 % Lithium: Less Than 1 %	Silver: 52.2 % Palladium: 40 % Tin: 5.5 % Indium: 1.4 % Rhenium: Less Than 1 % Ruthenium: Less Than 1 % Zinc: Less Than 1%	Gold: 15 % Palladium: 51.9 % Silver: 23 % Indium: 8 % Gallium: 2 % Rhenium: Less Than 1 % Ruthenium: Less Than 1 %	Gold: 40.3 % Palladium: 39.3 % Indium: 9.3 % Silver: 9.2 % Gallium: 1.8 % Ruthenium: Less Than 1 %	Gold: 72 % Platinum: 3.6 % Copper: 9.8 % Silver: 13.7 % Zinc: Less Than 1 % Iridium: Less Than 1 %
Hardness	235 HV	190 HV	255 HV	280 HV	245 HV
Tensile Strength	500 N/mm²	127 N/mm²	101 N/mm²	130 N/mm²	525 N/mm²
Indications for Use	Inlays Onlays 3/4 Crowns Crowns Ceramic Crowns Telescopic And Conus Crowns Posts Short And Long Span Bridges Partial Dentures Implant Superstructures	Inlays Onlays Partial Crowns Single Crowns Telescope And Conus Crowns Root Canal Posts Short And Long Span Bridges	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 Model Casts Implant Superstructures	Onlays Inlays Partial Crowns Single Crowns Telescope And Conus Crowns Root Canal Posts Short And Long Span Bridges Implant Superstructures Model Casts
Color	White	White	White	White	Yellow
Compatible Porcelains	Not Available	Special Ceramics Composite Materials	IPS Classic And Conventional Ceramics	Not Available	Not Available
Melting Interval	1,115° C - 1,305° C	1,100° C - 1150° C	1,230° C - 1,310° C	1,100° C - 1,260° C	900° C - 940° C
Casting Temperature	1,370° C - 1,426° C	1,200° C - 1,260° C	1,365° C - 1,425° C	1,315° C - 1,375° C	1,000° C - 1,080° C
Expansion	35 %	10 %	21 %	11 %	18 %
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