DEA 213 Word Scramble
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Question | Answer |
The ability to transfer an electric current between two dissimilar metals is called | Galvinism |
In dental materials , most materials combine two components consisting of a ________ and ________to form a resulting material. | Catalyst;Base |
If light will pass directly through an object it will be considered | Transparent |
T or F: Solid materials are able to maintain their shape and resist external forces | True |
The ability of a material to dissolve in a liquid refers to | Solubility |
_______ is the deterioration of a metal by a chemical or electrochemical reaction. | Corrosion |
The type of stress caused to teeth when biting a hard object, such as a piece of hard candy..... | Compression |
T or F: The basic atom contains protons and electrons within the nucleus and neutrons in orbit around the nucleus. | False |
When a materials deformation is not permanent and recovers it is considered to have good | Elasticity |
It is important to understand dental materials biocompatibility to | A. Reduce the chance of pain after the placement of a composite restoration B. Reduce the chance of toxicity C. Reduce the chance of irritation to the patients gingiva |
______________ is directly related to the breakdown of most restorative materials. | A. Moisture B. Acid C. Stress |
The ingestion of cold and hot fluids and food can cause repeated expansion and shrinkage of a restoration; producing the opening and closing of a gap between the tooth surface and the restoration. This is called _____________. | Percolation |
Metallic bonds have the _______ bond compared to ionic bonds and covalent bonds; because of the free movement of ____, metallic bonds conduct heat and electricity. | strongest;electrons |
T or F: The atomic bonding of liquids is stronger than that of gases but weaker than that of solids. | True |
The mechanical property of ____ refers to the weight or load applied to an object. | Force |
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