What Are Record Bases Used For

question 26

Multiple Choice

What are record bases used for?

• A) To obtain secondary impressions for creation of secondary or master casts
• B) To establish the proper dimension between upper and lower arches
• C) To obtain final crown and bridge impressions
• D) To fabricate porcelain veneers

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Definitions:

Elasticity

The ability of a material or body to resume its normal shape after being stretched or compressed.

Parabronchi

Minute tubular air passages within the lungs of birds through which respiratory gas exchange occurs, part of their highly efficient respiratory system.

Birds

Warm-blooded vertebrates characterized by feathers, beaks without teeth, and laying hard-shelled eggs.

Countercurrent Exchange

A mechanism in which fluids flow in opposite directions, exchanging properties (such as heat or chemical constituents) to maximize transfer rates.