Dental Amalgam - Properties and Uses
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What is dental amalgam?
Dental amalgam is a widely used restorative material in dentistry, with several pieces of evidence of use going back several hundreds of years. Amalgam fillings are produced through the mixing of a metal alloy (predominantly silver) with mercury. Conventional dental amalgams have the following components:
|Increases setting time, decreases strength
|2-6 (low copper)
|Increases strength, reduces corrosion and creep
|Reduces oxidation of other elements
There are three different types of particle compositions in amalgam alloys:
- Lathe-cut – irregular particles of a variety of sizes
- Admixed – this is a mixture of both spherical and lathe-cut particles
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