What are the three noble metals used in dentistry?
1 Answer
The three noble metals used in dentistry are gold, platinum, and palladium.
Explanation:
The pure metals are never used in dentistry, because their alloys have superior properties.
There are three basic categories of dental alloys.
High noble alloys
These must contain over 60 % noble metal (
A typical alloy contains 77%
Noble alloys
These must have at least 25 % noble metal content.
A common alloy contains 40 %
Non-noble alloys
These alloys have a noble metal content less than 25 % (it may even be 0 %).
They often contain large percentages of
A typical alloy contains 61 %