Full Cast Metal Crown - Noble Metal and Semi-Precious Metal

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Dental-crown alloys -High noble (precious), Noble (semiprecious), Base (nonprecious).


Crowns that have a metal component (all-metal and porcelain-fused-to-metal ones) are made using specific types of alloys. No pure metals are used, not even gold. This is because for dental applications, the physical properties of alloys are superior.

Alloy classifications.

Here's the formal classification system that is used to categorize dental alloys.

High noble alloys (Precious metal)

Full Cast Metal Crown - Noble Metal and Semi-Precious Metal



This group has a composition that is over 60% noble metal (gold, palladium and/or platinum), of which more than 40% must be gold.

Examples of high noble dental alloys.
  • Product: JRVT / Alloy Color: Yellow / Composition: 77% Gold, 13% Silver, 8.5% Copper, 1.0% Palladium, Less than 1% Indium, Iridium, Zinc
  • Product: Noble-Cast 67 / Alloy Color: Yellow / Composition: 64.0% Gold, 23.4% Silver, 3.0% Palladium, 0.1% Platinum
  • Product: Encore (White High Noble) / Alloy Color: Silver (white) / Composition: 48% Gold, 40% Palladium, 4.3% Zinc, 3.9% Tin, 3.75% Indium, 0.05% Rhenium

 Noble alloys (Semiprecious metal)

These alloys have at least 25% noble metal content.

Examples of noble dental alloys.
  • Product: Argenco 20 / Alloy Color: Yellow / Composition: 20% Gold, 20% Palladium, 40% Silver, 18% Indium, 2% Zinc, Less than 1% Iridium.
  • Product: Argelite SR+ / Alloy Color: Silver (white) / Composition: 79% Palladium, 8.4% Tin, 5.0% Cobalt, 5.0% Gallium, 2.0% Gold, 0.6% Ruthenium


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Shenzhen Berry Dental Laboratory Co.,Ltd
F 5, Building A1, Lixin Xinwei Industrial Area, Shenzhen, Guangdong, China (Mainland)
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