The maximum carbon content of steel used in dentistry is__________________?
Correct answer: C. 1.7%
- A. 19%
- B. 2%
- C. 1.7%
- D. 4%
Explanation
Steel used in dentistry is an iron-carbon alloy with carbon below about 2%, and the commonly quoted maximum is approximately 1.7%. Carbon contents above this range are associated with cast irons rather than steel.
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