Which of the Following Is True Concerning the Use of Endodontic

question 1

Multiple Choice

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

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

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