Publication: Sealing ability of occlusal resin composite restoration using four restorative procedures
Issued Date
2008-12-01
Resource Type
ISSN
16000722
09098836
09098836
Other identifier(s)
2-s2.0-56749186014
Rights
Mahidol University
Rights Holder(s)
SCOPUS
Bibliographic Citation
European Journal of Oral Sciences. Vol.116, No.6 (2008), 571-578
Suggested Citation
Danuchit Banomyong, Joseph E A Palamara, Harold H. Messer, Michael F. Burrow Sealing ability of occlusal resin composite restoration using four restorative procedures. European Journal of Oral Sciences. Vol.116, No.6 (2008), 571-578. doi:10.1111/j.1600-0722.2008.00570.x Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/19154
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Title
Sealing ability of occlusal resin composite restoration using four restorative procedures
Other Contributor(s)
Abstract
The purpose of this work was to investigate fluid flow after restoration using four restorative procedures. Micro-gap, internal dye leakage, and micropermeability of bonded interfaces were also investigated. Each tooth was mounted, connected to a fluid flow-measuring device, and an occlusal cavity was prepared. Fluid flow after cavity preparation was recorded as the baseline measurement, and the cavity was restored using one of four restorative procedures: bonding with total-etch (Single Bond 2) or self-etch (Clearfil SE Bond) adhesives without lining; or lining with resin-modified glass-ionomer cement (GIC) (Fuji Lining LC) or conventional GIC (Fuji IX) and then bonding with the total-etch adhesive. Fluid flow was recorded after restoration and at specific time-points up to 6 months thereafter and recorded as a percentage. Micro-gap formation was analyzed using resin replicas and scanning electron microscopy. Internal leakage of 2% methylene blue dye was observed under a light microscope. In micro-permeability testing, fluorescent-dye penetration was investigated using confocal laser microscopy. None of the restorative procedures provided a perfectly sealed restoration. Glass-ionomer lining did not reduce fluid flow after restoration, and micro-gaps were frequently detected. The self-etch adhesive failed to provide a better seal than the total-etch adhesive, and even initial gap formation was rarely observed for the former. Penetration of methylene blue and fluorescent dyes was detected in most restorations. © 2008 Eur J Oral Sci.