All of the Following Instruments Can Be Used by the Dental

question 30

Multiple Choice

All of the following instruments can be used by the dental hygienist to maintain the dental implant except one. Which is the one exception?

• A) Air-polishing device
• B) Gold-tipped Gracey instrument
• C) Wood-tipped or porte polisher
• D) Teflon-coated scaler

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Definitions:

Positive Economic Profits

Occur when a firm's total revenues exceed all its costs, including both explicit and implicit costs, indicating superior performance or a competitive advantage.

Short Run

A period during which at least one input, such as plant size, is fixed and cannot be varied.

Marginal Decision Rule

The principle of making decisions based on the additional cost vs. additional benefit of the next unit.

MC < MR

This indicates a scenario in economic theory where the marginal cost of producing an additional unit is less than the marginal revenue gained from selling that unit.