Question 477 · LDEK · Endodontic instruments
The hand endodontic file with red handle and triangular graphic mark is:
- A. K-type file number 25.
- B. reamer, number 30.
- C. reamer, number 55.
- D. K-type file, number 30.
- E. Hedstroem file, number 25.
Hint
ISO colours repeat every six sizes, and the handle symbol (square, triangle or circle) identifies the instrument type.
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