Question 579 · LDEK · Endodontic instruments
A root canal instrument with a red handle marked with a square symbol is:
1) K-reamer with a tip diameter of 0.2;
2) K-file number 25;
3) K-file with a tip diameter of 0.55;
4) K-reamer number 30;
5) K-file number 30;
6) K-reamer number 110.
The correct answer is:
2) K-file number 25;
3) K-file with a tip diameter of 0.55;
4) K-reamer number 30;
5) K-file number 30;
6) K-reamer number 110.
The correct answer is:
- A. 1,4.
- B. 2,3.
- C. 3,5.
- D. 2,5.
- E. 4,6.
Hint
Work out the ISO colour sequence from size 15 onward and recall which handle symbol marks which instrument type.
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