Marginal integrity is considered the main essential part of indirect restorations and any discrepancy after cementation and poor marginal fit can lead to microleakage, marginal discoloration, dissolution of cement and secondary caries. The type of cement used plays an important role and can govern the amount of augmentation in discrepancy after cementation. Although resin cement is still the gold standard luting agent for the cementation of all indirect restoration, it lacks some properties that may be available in the restorative resin composite such as higher filler loading, higher mechanical properties and wear resistance. may have been the first to propose the use of restorative, flowable resin composite as a luting agent for ceramic inlays. These authors demonstrated that with respect to polymerization rate, there were no advantages of dual curing-resin compared to light curing only. In addition, the overall handling of the light-curing flowable restorative resin composite was judged to be easier than that of the dual cured material. The same conclusions were drawn by Kramer and franken Berger who added that less luting resin composite overhangs were found with the light polymerized composite-resin because the clinician has more time for excess removal prior to polymerization. The claimed further potential advantages of using restorative rein composite as a luting agent is their resistance to wear which proved to be superior to resin cements
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Clinical Performance
Timeframe: 18 months change from baseline to 6, 12, and 18 months