Dental Materials

1. Dr. ___________ developed the classification of dental caries
5. causes a dark and dull appearance of an amalgam
10. the process of mixing an amalgam
11. mixture of lathe-cut and spherical particles
13. a properly triturated amalgam has a ___________ appearance
16. breakdown of a metal by chemical reactions with substances in the environment
17. alloy used to join metals together or repair cast restorations
18. metal used for implants
22. mixture of 2 or more metals

2. instrument used during amalgam placement to avoid voids in the restoration
3. Amalgam is strong in ___________ strength.
4. ________insulation required for deep amalgam cavity preparations
6. ________bands help to contain amalgam during a class II restoration
7. _____ change is the expansion or contraction of a material can cause this
8. Carving of an amalgam is required at the ___________ phase
9. adapts the matrix tightly against the gingival margin during an amalgam restoration
12. Amalgam takes 24 hours to completely set before you can ________.
14. the gradual change of shape of a restoration caused by compression from occlusion
15. wax technique is used to fabricate dental casting alloys
19. a restoration fabricated outside the mouth
20. makes up 50% of amalgam
21. metallic restorative material composed of silver-based alloy mixed with mercury