Question 161 (part 2) · LDEK · Crowns
Planning full ceramic crown cemented self-adhesively one needs to remember that, directly after grinding one should not use products impairing future process of enamel and dentin etching, containing:
- A. fluoride.
- B. calcium oxide.
- C. ethyl alcohol.
- D. orthophosphoric acid.
- E. water.
Hint
Think which agent applied to freshly cut enamel and dentin makes the mineral more resistant to acid.
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