Dental Materials

4. adapts the matrix tightly against the gingival margin during an amalgam restoration
7. Amalgam is strong in ___________ strength.
8. bands, Helps to contain amalgam during a class II restoration
9. a properly triturated amalgam has a ___________ appearance
10. insulation, required for deep amalgam cavity preparations
13. the gradual change of shape of a restoration caused by compression from occlusion
17. alloy used to join metals together or repair cast restorations
18. metallic restorative material composed of silver-based alloy mixed with mercury
21. Change, the expansion or contraction of a material can cause this
22. a restoration fabricated outside the mouth

1. instrument used during amalgam placement to avoid voids in the restoration
2. makes up 50% of amalgam
3. mixture of lathe-cut and spherical particles
5. Black, Dr. ___________ developed the classification of dental caries
6. metal used for implants
10. four, Amalgam takes _________ hours to completely set before being polished
11. wax, technique used to fabricate dental casting alloys
12. the process of mixing an amalgam
14. Carving of an amalgam is required at the ___________ phase
15. breakdown of a metal by chemical reactions with substances in the environment
16. IV, Restoration that restores the proximal surfaces of incisors that involves the incisal angle
19. causes a dark and dull appearance of an amalgam
20. mixture of 2 or more metals