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2
An estimation of fluoride release from various dental restorative materials at different pH: In vitro study.不同pH值下各种牙科修复材料氟释放量的估计:体外研究。
J Indian Soc Pedod Prev Dent. 2012 Apr-Jun;30(2):122-6. doi: 10.4103/0970-4388.99983.
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Fluoride release profile of a nanofilled resin-modified glass ionomer cement.纳米填充树脂改性玻璃离子水门汀的氟释放曲线
Braz Dent J. 2011;22(4):275-9. doi: 10.1590/s0103-64402011000400002.
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Fluoride release by glass ionomer cements, compomer and giomer.玻璃离子水门汀、复合体及聚酸改性复合树脂的氟释放
Dent Res J (Isfahan). 2009 Fall;6(2):75-81.
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Fluoride release from a new glass-ionomer cement.新型玻璃离子水门汀的氟释放。
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Fluoride releasing restorative materials: Effects of pH on mechanical properties and ion release.释氟型修复材料:pH 值对机械性能和离子释放的影响。
Dent Mater. 2010 Nov;26(11):e227-35. doi: 10.1016/j.dental.2010.07.004. Epub 2010 Aug 12.
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Comparative evaluation of fluoride release from PRG-composites and compomer on application of topical fluoride: an in-vitro study.应用局部用氟化物时PRG复合树脂和复合体释放氟化物的比较评价:一项体外研究。
J Indian Soc Pedod Prev Dent. 2009 Jan-Mar;27(1):27-32. doi: 10.4103/0970-4388.50813.
9
Fluoride release/recharge from restorative materials--effect of fluoride gels and time.修复材料的氟释放/再充注——氟凝胶和时间的影响
Oper Dent. 2005 Nov-Dec;30(6):690-5.
10
Comparison of the effect of topical fluorides on the commercially available conventional glass ionomers, resin modified glass ionomers and polyacid modified composite resins--an in vitro study.局部用氟化物对市售传统玻璃离子水门汀、树脂改性玻璃离子水门汀和聚酸改性复合树脂影响的比较——一项体外研究。
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不同介质中不同修复材料氟释放及再充注能力的定量评估:一项体外研究

Quantitative assessment of fluoride release and recharge ability of different restorative materials in different media: an in vitro study.

作者信息

Jingarwar Mahesh M, Pathak Anuradha, Bajwa Navroop Kaur, Sidhu Haridarshan Singh

机构信息

Post Graduate Student, Department of Pedodontics & Preventive Dentistry, Government Dental College & Hospital , Patiala, Punjab, India .

Professor and Head, Dpartment of Pedodontics and Preventive Dentistry, Government Dental College & Hospital , Patiala, Punjab, India .

出版信息

J Clin Diagn Res. 2014 Dec;8(12):ZC31-4. doi: 10.7860/JCDR/2014/9985.5275. Epub 2014 Dec 5.

DOI:10.7860/JCDR/2014/9985.5275
PMID:25654027
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4316333/
Abstract

OBJECTIVE

To measure fluoride release and recharge ability of restorative materials in deionised water, artificial saliva and lactic acid.

MATERIALS AND METHODS

Pellets were prepared from GC2, Ketac N100 and Beautifil II. Each pellets were individually immersed in 10 ml deionised water, artificial saliva or lactic acid as per respective subgroup for 24 h and then elutes were collected. Specimens were reimmersed in respective container. Fluoride released was analysed after 24 h, 7(th) and 15(th) day. On 15(th) day all specimens were exposed to 1.23% APF gel and fluoride release in respective solution was measured on 16(th), 22(nd), 30(th) day.

RESULT

Fluoride release was more after 24 h for all materials in all media then decrease gradually. GC2 shows more fluoride release than Ketac N100 at 24 hours and on 7(th) day but onwards Ketac N100 released significantly more fluoride. Beautifil II showed least fluoride release at all measured intervals in all media. Order of fluoride release in media was lactic acid > deionised water > artificial saliva for all materials.

CONCLUSION

GICs are smart material which release more fluoride when environment become more acidic and also show tendency to recharge which helps clinically in caries risk children.

摘要

目的

测量修复材料在去离子水、人工唾液和乳酸中的氟释放及再充氟能力。

材料与方法

用GC2、Ketac N100和Beautifil II制备颗粒。每个颗粒按照各自的亚组分别浸入10毫升去离子水、人工唾液或乳酸中24小时,然后收集洗脱液。将标本重新浸入各自的容器中。在24小时、第7天和第15天分析氟释放量。在第15天,所有标本暴露于1.23%的酸性磷酸氟凝胶中,并在第16天、第22天、第30天测量各自溶液中的氟释放量。

结果

所有材料在所有介质中24小时后的氟释放量更多,然后逐渐减少。在24小时和第7天时,GC2的氟释放量比Ketac N100多,但之后Ketac N100释放的氟明显更多。在所有测量时间段内,Beautifil II在所有介质中的氟释放量最少。所有材料在介质中的氟释放顺序为乳酸>去离子水>人工唾液。

结论

玻璃离子水门汀是一种智能材料,当环境变得更酸性时会释放更多氟,并且还显示出再充氟的趋势,这在临床上对患龋风险儿童有帮助。