Which of the Following Is True Concerning the Use of Endodontic

question 26

Multiple Choice

Which of the following is true concerning the use of endodontic files and reamers in dentistry?

• A) Stainless steel files become more flexible as the diameter of the file increases.
• B) Nickel-titanium files are far more flexible than stainless steel files.
• C) Reamers are similar to files except that they have more twists in the metal and cut faster.
• D) Rotary instruments are usually composed of stainless steel alloys.

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Definitions:

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An American industrialist and philanthropist who was a co-founder of the Standard Oil Company and became one of the world's wealthiest individuals.

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Historical term referring to monopolies or near-monopolies in the oil industry, specifically in the United States during the late 19th and early 20th centuries.

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A United States federal law passed in 1978 that removed governmental control over fares, routes, and market entry of new airlines, significantly reducing barriers to entry in the airline industry.

Civil Aeronautics Board

The Civil Aeronautics Board was a federal agency in the United States that regulated aviation services, including fares, routes, and schedules, before its dissolution in 1985.