Detection of ions released from S-PRG fillers and their modulation effect

被引：171

作者：

Fujimoto, Yoshihiro ^{[1
]}

Iwasa, Mika ^{[1
]}

Murayama, Ryosuke ^{[1
]}

Miyazaki, Masashi ^{[1
]}

Nagafuji, Akihiro ^{[2
]}

Nakatsuka, Toshiyuki ^{[2
]}

机构：

[1] Nihon Univ, Sch Dent, Dept Operat Dent, Chiyoda Ku, Tokyo 1018310, Japan

[2] Shofu Inc, Dept Res & Dev, Higashiyama Ku, Kyoto 6050983, Japan

来源：

DENTAL MATERIALS JOURNAL | 2010年 / 29卷 / 04期

基金：

日本学术振兴会;

关键词：

Giomer; Ion release; pH; GLASS-IONOMER CEMENTS; FLUORIDE RELEASE; RESTORATIVE MATERIALS; RESIN COMPOSITES; ORGANIC POLYMERS; ADHESIVE; DENTIN; HYDROXYAPATITE; ENAMEL; PH;

D O I：

10.4012/dmj.2010-015

中图分类号：

R78 [口腔科学];

学科分类号：

1003 ;

摘要：

The purpose of this study was to analyze the ions released from a surface pre-reacted glass ionomer (S-PRG) filler in distilled water or lactic acid solution. S-PRG filler was mixed with either solution at 1000:1, 100:1, 10:1, and 1:1 ratios by weight. By means of inductively coupled plasma atomic emission spectroscopy and a fluoride electrode, elements released from S-PRG filler were identified to be Al, B, Na, Si, Sr, and F. To investigate the effect of solution pH on ion release, the pH values of the solutions before mixing and after 24 hours' mixing with S-PRG were measured. After 24 hours' mixing, the pH values of solutions at all ratios became more neutral or weakly alkaline regardless of their initial pH levels before mixing. In conclusion, results showed that S-PRG filler released several types of ions, and that ion release was influenced by the mixing ratio of the solution rather than the initial pH of the solution.

引用

页码：392 / 397

页数：6

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