Question 4 · LDEK · Adhesive systems
Which of the following is part of the fifth generation adhesives?
- A. 37% citric acid.
- B. 37% phosphoric acid.
- C. 15% phosphoric acid.
- D. silorane.
- E. 2% polyacrylic acid.
Hint
Fifth generation systems combine primer and bond in one bottle but still rely on a separate total-etch step.
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