Chapter 9: Vocabulary Flashcards Preview

Review: Dental Materials > Chapter 9: Vocabulary > Flashcards

Flashcards in Chapter 9: Vocabulary Deck (11):
1

a mixture of two or more metals

Alloy

2

reaction that occurs when silver-based alloy is mixed with mercury

Amalgamation

3

restorative material composed of silver-based alloy mixed with mercury

Dental Amalgam

4

irregularly shaped particles formed by shaving fine particles from an alloy ingot

Lathe-Cut Alloy

5

alloy particles produced as small spheres

Spherical Alloy

6

mixture of lathe-cut and spherical alloys

Admixed Alloy

7

a chemical reaction between tin in the silver-based alloy and mercury that causes corrosion in the amalgam

Gamma-2 Phase

8

oxidation affecting a thin layer of metal at its surface. Not as destructive as corrosion

Tarnish

9

oxidation from interaction of two dissimilar metals in the presence of a solution containing electrolytes (such as saliva). It results in breakdown of the amalgam

Corrosion

10

gradual change in the shape of a restoration caused by compression from occlusion or adjacent teeth

Creep

11

mechanical device used to mix the silver-based alloy particles with mercury to produce amalgam

Triturator (Amalgamator)