IR@PKUHSC  > 北京大学口腔医学院  > 口腔修复科
学科主题口腔医学
Fluoride release/uptake of conventional and resin-modified glass ionomers, and compomers
Gao, W; Smales, RJ
关键词Glass Ionomer Compomer Fluoride Release
刊名JOURNAL OF DENTISTRY
2001-05-01
29期:4页:301-306
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Dentistry, Oral Surgery & Medicine
研究领域[WOS]Dentistry, Oral Surgery & Medicine
关键词[WOS]TOPICAL FLUORIDE ; CEMENTS ; GEL ; COMPOSITES ; INVITRO
英文摘要

Objectives: To assess the levels of fluoride ions released from a range of freshly-prepared aesthetic restorative materials, and then the effects of a topical acidulated phosphate fluoride (APF) gel.

Methods: Five specimens each of four conventional GICs, two resin-modified GICs, two compomers. and a resin composite (control) were assessed for their fluoride ion release over 6 weeks, before being exposed to 1.23% APF gel for 4 min and then measuring their fluoride ion levels for another 6 weeks.

Results: Following an initial brief, variable burst of fluoride ion release, the rates then fell quickly for most materials and, although high rates of fluoride ion release were measured immediately following the application of APF gel. these rates also fell quickly for most materials. After 12 weeks, the mean fluoride ion levels were much lower than immediately before gel application. The APF gel treatment caused surface damage to all materials, especially to the conventional GICs.

Conclusion. The results of this study suggested that much of the increased fluoride ion release found following topical exposure of the fluoridated restorative materials to APF gel was caused by surface effects rather than by chemical recharging. (C) 2001 Elsevier Science Ltd. All rights reserved.

语种英语
WOS记录号WOS:000169030900008
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/54955
Collection北京大学口腔医学院_口腔修复科
作者单位1.Univ Hong Kong, Fac Dent, Hong Kong, Hong Kong, Peoples R China
2.Beijing Med Univ, Sch Stomatol, Dept Prosthodont, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Gao, W,Smales, RJ. Fluoride release/uptake of conventional and resin-modified glass ionomers, and compomers[J]. JOURNAL OF DENTISTRY,2001,29(4):301-306.
APA Gao, W,&Smales, RJ.(2001).Fluoride release/uptake of conventional and resin-modified glass ionomers, and compomers.JOURNAL OF DENTISTRY,29(4),301-306.
MLA Gao, W,et al."Fluoride release/uptake of conventional and resin-modified glass ionomers, and compomers".JOURNAL OF DENTISTRY 29.4(2001):301-306.
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