Carey, C.
, Spencer, M.
and Eichmiller, F.
(2003),
Fluoride Release From a Resin Modified Glass Ionomer Cement in a Continuous Flow System: Effect of pH, Journal of Dental Research, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=851854
(Accessed December 12, 2024)
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Fluoride Release From a Resin Modified Glass Ionomer Cement in a Continuous Flow System: Effect of pH
Published
Author(s)
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Abstract
Fluoride is added to many dental restoratuive materials,including glass-ionomer cements, for the specific purpose of leaching fluoride into the surroinding tissues to provide secondary caries inhibition. During the caries process, an acidic environment attacks the dental tissues as well as the glass-ionomer cement. We hypothesized that pH significantly affects the rate of release of fluoride from the glass-ionomer cement. A continuous flow fluoride-measuring system that monitors the amount of fluoride released over time was used to determine the release of fluoride from a resin-modified glass-ionomer cement (KetacFil). The results show that the release rate began with a fast burst of fluoride which quickly diminished to low levels in 3 days. Under neutral pH conditions, the rate of fluoride release at 72 hours was signigicantly slower than at pH 4.Citation
Journal of Dental Research
Volume
82
Issue
10
Pub Type
Journals
Download Paper
Keywords
controlled delivery system, fluoride, fluoride kinetics, glass ionomer cement
Citation
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Created October 1, 2003, Updated February 17, 2017