Resin-modified glass ionomer cements: Fluoride release and uptake
作者:
ForstenLennart,
期刊:
Acta Odontologica Scandinavica
(Taylor Available online 1995)
卷期:
Volume 53,
issue 4
页码: 222-225
ISSN:0001-6357
年代: 1995
DOI:10.3109/00016359509005976
出版商: Taylor&Francis
关键词: Dental materials;dentistry;operative;dental restoration
数据来源: Taylor
摘要:
The aim was to study the short- and long-term fluoride release from resin-modified glass ionomer cements (GIC). The aim was also to determine the effect of fluoride treatment of 9-month-old specimens, consistency of the mix, and pH of the environment on the fluoride release. GIC test specimens were continually exposed to running water, and the fluoride release was measured periodically by storing the specimens in 5 ml deionized water for 1 week and measuring the fluoride content of the solution. After 24 h, 1 month, 9 months, and 11 months in running water four of the six resin-modified GICs released as much as or more fluoride than the auto-curing GIC tested for comparison. Fluoride treatment after 9 months also increased the fluoride release of these four brands, as was the case with the conventional GIC. At 24 h and 1 month two of the resin-modified GICs released smaller amounts of fluoride than the other materials, and the fluoride treatment used on those had no or only a minimal effect. Thin consistency of a mix resulted in higher fluoride release for one resin-modified material than a thick mix. Low pH increased the fluoride release for all materials.
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