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Quintessence International



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Quintessence Int 25 (1994), No. 2     1. Feb. 1994
Quintessence Int 25 (1994), No. 2  (01.02.1994)

Page 97-100

The co-cured, light-activated glass-ionomer cement-composite resin restoration
The simultaneous curing of unpolymerized composite resin and inactivated light-curing glass-ionomer cement appears to offer a number of clinical improvements to the laminated gl ass-ionomer cement-composite resin restoration. The observation that composite resin cures before the glass-ionomer cement suggests that the polymerization shrinkage of the resin may be taken up by the uncured glass-ionomer cement, reducing the internal stress of the restoration. A procedure is described for the placement of this type of laminate restoration that reduces both technique sensitivity and placement time, by eliminating a number of the steps required for a conventional sandwich restoration. The apparent clinical success of this technique indicates the need for laboratory testing to evaluate the potential of this procedure.