Question 3 · LDEK · Prosthodontic materials
Glass ionomer cements are indicated for a permanent cementation of metal alloy based fixed prostheses because they form chemical bonds with:
- A. enamel.
- B. dentin.
- C. metal.
- D. enamel, dentin and metal.
- E. enamel and dentin.
Hint
Think about which surfaces the carboxyl groups of polyacrylic acid can chelate: calcium in tooth tissues and oxide layers on alloys.
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