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.
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Company | Ivoclar Vivadent Inc. | Ivoclar Vivadent Inc. | Ivoclar Vivadent Inc. | Ivoclar Vivadent Inc. | Ivoclar Vivadent Inc. |
Item | IPS d.SIGN 53 Porcelain Alloy | Aquarius Hard Porcelain Alloy | Capricorn 15 Porcelain Alloy | Harmony Extra Hard Crown and Bridge Alloy | Maxigold Crown and Bridge Alloy |
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Description | IPS d.SIGN 53 is a palladium-silver ceramic alloy. Its mechanical and physical properties are coordinated with the IPS d.SIGN fluorapatite glass- | Aquarius Hard is a clinically proven high-gold ceramic alloy demonstrating outstanding properties. | Capricorn 15 is a palladium-silver alloy with coordinated mechanical and physical properties for conventional feldspar ceramics. | Clinically proven reduced gold crown and bridge alloy demonstrating outstanding properties. | Clinically proven reduced gold crown and bridge alloy demonstrating outstanding properties. |
Composition | Palladium : 53.8 %
Gold: 34.9 %
Tin: 7.7 %
Zinc: 1.2 %
Indium: 1.7 %
Rhenium: Less Than 1 %
Ruthenium: Less Than 1 %
Lithium: Less Than 1 %
Platinum: Less Than 1% | Gold: 86.1 %
Platinum: 8.5 %
Palladium: 2.6 %
Indium: 1.4 %
Ruthenium: Less Than 1 %
Tantalum: Less Than 1 %
Iron: Less Than 1 %
Lithium: Less Than 1 % | Gold: 15 %
Palladium: 51.9 %
Silver: 23 %
Indium: 8 %
Gallium: 2 %
Rhenium: Less Than 1 %
Ruthenium: Less Than 1 % | Gold: 68.3 %
Platinum: 2.9 %
Palladium: 3.6 %
Silver: 10 %
Copper: 13.8 %
Zinc: 1.1 %
Indium: Less Than 1 %
Iridium: Less Than 1 % | Gold: 59.5 %
Palladium: 2.7 %
Silver: 26.3 %
Copper: 8.5 %
Zinc: 2.7 %
Indium: Less Than 1 %
Iridium: Less Than 1 % |
Hardness | 250 HV | 205 HV | 255 HV | 255 HV | 150 HV |
Tensile Strength | 132 N/mm2 | 88 N/mm2 | 101 N/mm2 | 735 N/mm2 | 310 N/mm2 |
Indications for Use | Onlays
Inlays Partial Crowns
Single Crowns
Telescope And Conus Crowns
Root Canal Posts
Short And Long-Span Bridges
Implant Superstructures
Model Casts | 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 | Inlays
Onlays
Partial Crowns
Single Crowns
Telescope And Conus Crowns
Posts
Short And Long Span Bridges
Implant Superstructures
Partial Dentures | Inlays
Onlays
Partial Crowns
Single Crowns
Telescope And Conus Crowns
Root Canal Posts
Short And Long Span Bridges |
Color | White | Rich Yellow | White | Yellow | Yellow |
Compatible Porcelains | Conventional Ceramics | Not Available | IPS Classic And Conventional Ceramics | Not Available | Not Available |
Melting Interval | 1,180° C - 1,280° C | 1,050° C - 1,145° C | 1,230° C - 1,310° C | 900° C - 960° C | 840° C - 890° C |
Casting Temperature | 1,335° C - 1,395° C | 1,200° C 1,260° C | 1,365° C - 1,425° C | 1,015° C - 1,075° C | 940° C - 1,000° C |
Expansion | 13 % | 13 % | 21 % | 14 % | 25 % |
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