Question 134 · LDEK · Glass ionomer cements
Indicate the true statements concerning glass-ionomer cements:
1) glass-ionomer cements show micromechanical and chemical adhesion;
2) resin modified glass-ionomer restorative materials can be finally finished immediately after light curing;
3) conventional glass-ionomer materials release more fluoride than resin modified glass-ionomer;
4) addition of tartaric acid to conventional glass-ionomers increases fluoride release;
5) compomer is another name for the resin modified glass-ionomer material.
The correct answer is:
2) resin modified glass-ionomer restorative materials can be finally finished immediately after light curing;
3) conventional glass-ionomer materials release more fluoride than resin modified glass-ionomer;
4) addition of tartaric acid to conventional glass-ionomers increases fluoride release;
5) compomer is another name for the resin modified glass-ionomer material.
The correct answer is:
- A. 1,2,3.
- B. 2,4,5.
- C. 1,4,5.
- D. 2,3,5.
- E. 1,3,5.
Hint
Check each statement against what tartaric acid actually does in a glass ionomer and how compomers differ chemically from RMGIs.
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