Which Style of Hand File Has Its Spiral Edges Arranged

question 8

Multiple Choice

Which style of hand file has its spiral edges arranged so that cutting occurs only on the pulling stroke,making the dentinal walls smooth and easier to fill?

• A)Broach
• B)K-type
• C)Hedstrom
• D)Reamer

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Definitions:

Economic Efficiency

A state where resources are allocated in the most effective manner, maximizing the production of goods and services while minimizing waste and costs.

Standard

An established measure or model used for comparison in assessing the quality, quantity, or value of something.

Criterion

A standard or principle by which something is judged or decided.

Economic Efficiency

A situation in which resources are allocated in the most beneficial way from the perspective of society, where no one can be made better off without making someone else worse off.