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|Title:||In vitro marginal leakage of cervical composite restorations lined with a light-cured glass ionomer.|
|Authors:||Sidhu, S.K. |
|Source:||Sidhu, S.K.,Henderson, L.J. (1992). In vitro marginal leakage of cervical composite restorations lined with a light-cured glass ionomer.. Operative dentistry 17 (1) : 7-12. ScholarBank@NUS Repository.|
|Abstract:||The purpose of this research effort was to investigate the microleakage of cervical restorations lined with a light-cured glass-ionomer liner. Wedge-shaped cervical cavities were cut on extracted teeth with the gingival cavosurface margin involving dentin. The cavities were randomly assigned to each of each of three groups: (1) restored with a microfilled composite resin, (2) restored with a light-cured glass-ionomer liner and microfilled resin as in the "sandwich" technique, and (3) restored entirely with the light-cured glass-ionomer liner. Half of the specimens in each group were thermocycled. Microleakage of these restorations was assessed by dye penetration. The results showed that differences were more pronounced at the gingival margin. Composite restorations inserted over the glass-ionomer liner demonstrated significantly less leakage than when the liner was not used.|
|Source Title:||Operative dentistry|
|Appears in Collections:||Staff Publications|
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