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dc.titleThe influence of finishing time on the marginal seal of a resin-modified glass-ionomer and polyacid-modified resin composite
dc.contributor.authorLim, C.C.
dc.contributor.authorNeo, J.
dc.contributor.authorYap, A.
dc.identifier.citationLim, C.C.,Neo, J.,Yap, A. (1999). The influence of finishing time on the marginal seal of a resin-modified glass-ionomer and polyacid-modified resin composite. Journal of Oral Rehabilitation 26 (1) : 48-52. ScholarBank@NUS Repository.
dc.description.abstractThe aim of this study was to compare the effect of immediate and delayed finishing on the microleakage of encapsulated resin-modified glass-ionomer, Fuji II LC® and a polyacid-modified resin composite, Dyract® compomer at both the enamel and dentine margins. Standardized Class V cavities were prepared along the cemento-enamel junction on buccal and palatal surfaces of 24 freshly extracted non-carious premolars. Equal numbers of buccal and palatal cavities in each group were restored with Fuji II LC® and Dyract® compomer following the manufacturer's instructions. The groups with delayed finishing were restored 1 week earlier, stored in saline at 37°C and finished on the same day as the groups with immediate finishing. The specimens were then thermocycled 500 times and subjected to dye penetration testing. The results showed that both materials leaked more at the dentine than enamel margins for both regimes of finishing methods. There was no statistical difference in the microleakage of Dyract® finished immediately or later at enamel and dentine margins and Fuji II LC® finished immediately or later in dentine. However, a statistical difference existed between the microleakage in Fuji II LC® finished immediately and later in enamel. © 1999 Blackwell Science Ltd.
dc.contributor.departmentRESTORATIVE DENTISTRY
dc.description.sourcetitleJournal of Oral Rehabilitation
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