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The therapeutic use of glass ionomer.

This article will review the physical properties of glass ionomer restorative materials, their gingival reaction, and their mechanisms of therapeutic action. A description will be given of how glass ionomer materials affect bacteria, and its effectiveness at preventing secondary, or marginal, caries. A summary of in vivo performance, together with descriptions of therapeutic clinical applications and recharging with fluoride to improve clinical performance of glass ionomer restorations will be presented.