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	BioUniversal Porcelain Alloy	4all Porcelain Alloy	Callisto Implant 60 Alloy	Callisto Implant 78 Alloy	W-5 Porcelain Alloy
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Description	BioUniversal is a gold-reduced universal alloy for veneering applications involving special ceramic and composite materials.	4all is a nickel-chromium ceramic alloy. Its mechanical and physical properties have been coordinated with conventional feldspar ceramics.	Callisto Implant 60 is a palladium based ceramic alloy especially suitable for implant superstructures.	Callisto Implant 78 is a high-gold ceramic alloy. It is especially suitable for implant superstructures.	W-5 is a gold-containing alloy for the IPS d.SIGN fluorapatite leucite metal-ceramic and conventional feldspar ceramics. Its mechanical and physical
Composition	Gold: 59.4 % Silver: 25.5 % Paladium: 9.5 % Platinum: 2 % Zinc: 2 % Tin: Less Than 1 % Iron: Less Than 1 % Rhenium: Less Than 1 % Ruthenium: Less Than 1 %	Nickle: 61.4 % Chromium: 25.7 % Molybdenum: 11 % Silicon: 1.5 % Manganese: Less Than 1 % Aluminum: Less Than 1 % Carbon: Less Than 1 %	Palladium: 60 % Silver: 25.2 % Tin: 7.5 % Gold: 2 % Indium: 2 % Zinc: 1.6 % Gallium: 1 % Platinum: Less Than 1 % Rhenium: Less Than 1 %	Gold: 78.6 % Platinum: 9.7 % Palladium: 7.9 % Indium: 3.4 % Iron: Less Than 1 % Rhenium: Less Than 1 % Ruthenium: Less Than 1 % Rhodium: Less Than 1 %	Gold: 52.2 % Palladium: 26 % Silver: 17.1 % Tin: 2.7 % Platinum: Less Than 1 % Indium: Less Than 1 % Iridium: Less Than 1 % Rhenium: Less Than 1 % Lithium: Less Than 1 %
Hardness	225 HV	235 HV	275 HV	240 HV	255 HV
Tensile Strength	103 N/mm²	Not Available	610 N/mm²	600 N/mm²	118 N/mm²
Indications for Use	Inlays Onlays 3/4 Crowns Crowns Telescope And Conus Crowns PFM Crowns Posts Short And Long Span Bridges Implant Superstructures	Single Crowns Telescope And Conus Crowns Root Canal Posts Short And Long Span Bridges	Onlays 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/Conus Crowns Root Canal Posts Short And Long Span Bridges Implant Superstructures Model Casts	Onlays Inlays 3/4 Crowns Crowns Telescope And Conus Crowns PFM Crowns Posts Short And Long Span Bridges Implant Superstructures Partial Dentures
Color	Yellow	White	White	White	White
Compatible Porcelains	Low Fusing Ceramics Composite Veneering Materials	Not Available	Not Available	Not Available	Not Available
Melting Interval	1,020° C - 1,100° C	1,260° C - 1,350° C	1,100° C - 1,260° C	1,135° C - 1,250° C	1,185° C - 1,230° C
Casting Temperature	1,155° C - 1,215° C	1,405° C - 1,465° C	1,320° C - 1,360° C	1,305° C - 1,365° C	1,285° C - 1,345 ° C
Expansion	6 %	12 %	19 %	5 %	20 %
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