Question 127 · LDEK · Glass ionomer cements
Resin-modified glass-ionomers (RMGI), compared with conventional glass-ionomers:
- A. can be used only as liners.
- B. can be contoured and polished just after polimerization.
- C. polymerize in a way in which acid-base reactions do not occur.
- D. have worse physical properties.
- E. release fewer fluoride ions.
Hint
Consider what light-activated polymerisation adds to the setting of a glass ionomer and how this affects when it can be finished.
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