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Title: Short-term fluoride release from various aesthetic restorative materials
Authors: Yap, A.U.J. 
Tham, S.Y.
Zhu, L.Y.
Lee, H.K.
Issue Date: 2002
Citation: Yap, A.U.J.,Tham, S.Y.,Zhu, L.Y.,Lee, H.K. (2002). Short-term fluoride release from various aesthetic restorative materials. Operative Dentistry 27 (3) : 259-265. ScholarBank@NUS Repository.
Abstract: The short-term fluoride release of a giomer (Reactmer), a compomer (Dyract AP), a conventional glass ionomer cement (Fuji II Cap) and a resin-modified glass ionomer cement (Fuji II LC) was evaluated and compared. Specimen discs (6 ± 0.2 mm diameter and 1 ± 0.2 mm thick) were prepared for each material using custom molds. Each disc was placed in 1 ml of deionized for 24 hours at 37°C. After one day, the water was extracted and analyzed. The specimen discs were then re-immersed into another 1 ml of fresh deionized water. The procedure of removing and refilling the water was repeated for 28 days. Sample solutions taken during the first seven days and at days 14, 21 and 28 were introduced into a capillary electrophoresis system using field amplified sample injection (FASI) to determine fluoride release. Data was analyzed using factorial ANOVA/Scheffe's post-hoc test at significance level 0.05. An initial fluoride "burst" effect was observed with glass ionomers. Both compomer and giomer did not show an initial fluoride "burst" effect. With the exception of the compomer, fluoride release at day one was generally significantly greater than at the other time intervals. The glass ionomers released significantly more fluoride than the compomer and giomer at day one. Although fluoride release of the giomer was significantly greater than the other materials at day seven, it became significantly lower at day 28. ©Operative Dentistry, 2002.
Source Title: Operative Dentistry
ISSN: 03617734
Appears in Collections:Staff Publications

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