Fluoride uptake by glass ionomer cements: a surface analysis approach

被引：11
作者：
Jones, FH
Hutton, BM
Hadley, PC
Eccles, AJ
Steele, TA
Billington, RW
Pearson, GJ
机构：
[1] UCL, Eastman Dent Inst Oral Care Sci, Dept Biomat, London WC1X 8LD, England
[2] UCL, Dept Chem, Christopher Ingold Labs, London WC1H 0AJ, England
[3] Millbrook Instruments Ltd, Blackburn Technol Ctr, Blackburn BB1 5QB, Lancs, England
[4] Queen Mary Univ London, London E1 4NS, England
来源：
BIOMATERIALS | 2003年 / 24卷 / 01期
关键词：
glass ionomer cement; ion uptake; photoelectron spectroscopy; surface composition;
D O I：
10.1016/S0142-9612(02)00268-5
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Despite extensive research, the mechanism by which glass ionomer cements take up fluoride ions from solution remains unclear. To date, the majority of studies have concentrated on measuring the removal of ions from solution. In this study, we demonstrate the application of X-ray photoemission spectroscopy and secondary ion mass spectrometry to the surface analysis of the cements, after the introduction of fluoride either by doping or by immersion. Fluoride ion uptake from potassium fluoride solution is correlated with the formation of a surface layer which is rich in calcium as well as fluoride. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：107 / 119
页数：13
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