Question 76 · LDEK · Irrigation and intracanal medicaments
Indicate the true statements concerning the smear layer:
1) has a uniform amorphous structure;
2) contains only organic debris;
3) its presence decreases the risk of bacterial leakage;
4) its presence decreases the penetration of a sealer into dental tubules.
The correct answer is:
2) contains only organic debris;
3) its presence decreases the risk of bacterial leakage;
4) its presence decreases the penetration of a sealer into dental tubules.
The correct answer is:
- A. 1,2.
- B. 2,3.
- C. 3,4.
- D. 1,4.
- E. 2,4.
Hint
Recall the composition of the smear layer and whether leaving it in place helps or hinders the seal of the root filling.
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