Minimize effects of polymerization shrinkage

New Window-Matrix for posterior restorations minimizes the effects of polymerization shrinkage. Three-sited, light-curing, respectively transenamel polymerization ensures the run of the shrinkage vectors toward the adjacent cavity margin and contributes to complete curing of the increments. Several studies have shown that this method will result in better marginal adaptation in conventional retainers such as Nystrom and Toffelmire.

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