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  • Title: Effect of led light curing on the marginal sealing of composite resin restorations.
    Author: Sensi LG, Junior SM, Baratieri LN.
    Journal: Pract Proced Aesthet Dent; 2006 Jul; 18(6):345-51; quiz 352. PubMed ID: 16933531.
    Abstract:
    Light-emitting diode (LED) curing units are becoming increasingly popular; however, questions remain about their ability to adequately polymerize composite resins. This study was conducted to evaluate the marginal seal of restorations placed with a tungsten halogen curing unit compared to three LED curing units through a microleakage test. The results did not indicate statistical differences between the groups tested for both enamel and dentin margins. Variation of the light-curing unit (quartz tungsten halogen or LED) did not result in discernible differences in the marginal sealing of composite restorations.
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