What is the primary composition of dental amalgam used for restorations?
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Correct answer: Silver-tin-copper alloy powder mixed with mercury
Dental amalgam consists of a powdered alloy (silver, tin, copper) mixed with liquid elemental mercury to form a plastic mass that hardens into a durable filling. This metal composition is characteristic of amalgam materials.
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More Amalgam Restoration Assist questions
- Which instrument is used to transport freshly mixed amalgam into a prepared cavity?
- Why is condensation of amalgam essential after placement into the cavity preparation?
- Which hand instrument is typically used to carve occlusal anatomy into a freshly placed amalgam restoration?
- What is the purpose of burnishing an amalgam restoration immediately after carving?
- Which step should NOT be done until the amalgam has set sufficiently (typically after several minutes)?
- Which of the following cavity preparation features is important for retention of an amalgam restoration?