Question 417 · LDEK · Adhesive systems
Indicate problems connected with the use of fourth- and fifth-generation adhesive systems:
1) too deep etching;
2) overdrying of dentin;
3) overwetting of dentin;
4) necessity of using self-etching primers.
The correct answer is:
2) overdrying of dentin;
3) overwetting of dentin;
4) necessity of using self-etching primers.
The correct answer is:
- A. 1,2,3.
- B. 1,2,4.
- C. 2,3,4.
- D. 1,3,4.
- E. 2,4.
Hint
Consider the separate phosphoric acid etch-and-rinse step of these systems and how moist the dentin must be when primer is applied.
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