Question 494 · LDEK · Dentin
Indicate correct statements regarding the smear layer:
1) it is present on the surface of dentin, only in the region of the crown;
2) it is present on the surface of crown and root dentin after tooth preparation;
3) it can be removed by mechanical preparation;
4) it can be removed by chemical agents;
5) it consists only of inorganic components;
6) it consists of organic and inorganic components.
2) it is present on the surface of crown and root dentin after tooth preparation;
3) it can be removed by mechanical preparation;
4) it can be removed by chemical agents;
5) it consists only of inorganic components;
6) it consists of organic and inorganic components.
- A. 1,3,5.
- B. 1,3,6.
- C. 1,4,5.
- D. 2,4,5.
- E. 2,4,6.
Hint
Ask where dentin is instrumented, whether instrumentation removes or creates debris, and what that debris contains.
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