The liquid component of hybrid ionomer cements usually contains a water solution of:
Correct Answer: All of the above
Description: The liquid component of hybrid ionomer cements usually contains a water solution of polyacrylic acid, HEMA, and polyacrylic acid modified with methacrylate.
The powder component contains fluoroaluminosilicate glass particles of a conventional GIC plus initiators, such as camphorquinone, for light curing and/or chemical curing. The acid-base reaction begins upon mixing and continues after polymerization at a much slower rate than for conventional GICs, because less water is present and the reaction is much slower in the solid phase than in the liquid phase.
Ref: Phillip’s Science of Dental Materials ed 12 pg 326
Category:
Dental
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