The present in vitro study has shown that it is possible to prevent marginal contraction gaps at composite restorations in the proximal section of Class 2 cavities by use of a condensable composite and adequate condensers. An explanation of condensation to eliminate the wall-to-wall polymerization contraction is suggested, and a possible complete Class 2 composite technique is outlined, The subject studied is only one of several problems that must be analyzed before acceptance of composite resins as Class 2 restoratives can be made possible.Received for publication June 30, 1983 Accepted for publication October 17, 1983
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References
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