国际口腔医学杂志

国际口腔医学杂志 ›› 2016, Vol. 43 ›› Issue (3): 278-282.doi: 10.7518/gjkq.2016.03.006

• 论著 • 上一篇    下一篇

两种镍基口腔修复合金在漱口水中镍离子析出的比较

田陶然,张扬根,黄鑫琪,李龙飚,张心曦,朱卓立   

  1. 口腔疾病研究国家重点实验室 华西口腔医院（四川大学） 成都 610041
  • 收稿日期:2015-12-01 修回日期:2016-02-13 出版日期:2016-05-01 发布日期:2016-05-01
  • 通讯作者: 朱卓立，讲师，博士，Email：zzl7505@126.com
  • 作者简介:田陶然，硕士，Email：tiantrcd@163.com
  • 基金资助:
    四川省医学会科研课题（S15061）

Comparative study on nickel release of two dental nickel alloys in mouth wash

Tian Taoran, Zhang Yanggen, Huang Xinqi, Li Longbiao, Zhang Xinxi, Zhu Zhuoli   

  1. State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China) This study was supported by the Science Foudation of Sichuan Medical Association(S15061).
  • Received:2015-12-01 Revised:2016-02-13 Online:2016-05-01 Published:2016-05-01

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摘要： 目的 通过连续浸泡实验探究两种镍基口腔修复常用合金在漱口水中的镍离子析出情况。方法 将镍基铸造合金和镍铬烤瓷合金的标准试件逐级打磨后，放在分别由漱口水、蒸馏水和人工唾液配制的实验组和对照组溶液中，连续恒温（37±1）℃浸泡96 h后，使用电感耦合等离子体发射光谱仪（ICP-OES）测定溶液中析出的镍离子的量。结果 在没有金属浸泡的空白对照的实验组和对照组溶液中镍离子含量低于ICP-OES的检出限。在对照组溶液及实验组溶液中浸泡后镍基铸造合金组测得的镍离子析出均大于镍铬烤瓷合金组。两种金属试件在实验组溶液中的析出均大于在对照组溶液中的析出，差异明显。结论 漱口水对两种镍基合金中镍离子的析出均有促进作用，其中又以镍基铸造合金为甚。

关键词: 漱口水, 牙科合金, 浸渍, 镍, 漱口水, 牙科合金, 浸渍, 镍

Abstract: Objective This study aims to investigate the release of nickel from two nickel alloy specimens for dental prosthesis in a commercial mouth wash through a constant immersion experiment. Methods Standard samples were casted from two different alloys and ground to achieve the same roughness. For our experimental group, one-half of the samples are immersed in a solution composed of artificial saliva and commercial mouthwash. For our control group, the other half of the samples are placed in a solution containing artificial saliva and distilled water. This procedure is performed at (37±1) °C for 96 h. The amount of Ni ion released after the 96 h immersion test and the changes in the surfaces of the alloys asreceived and upon immersion are then determined by using an inductively coupled plasma optical emission spectrometer(ICP-OES) and a scanning electron microscope. Results The amount of released Ni ion is below the minimum detection limit of ICP-OES in the blank solution without the alloys. More ions are released from the Ni-casted alloy than from the Ni-Cr porcelain fused to a metal in the experimental group and the control group. The ions released from each alloy are also significantly different in the two solutions. Conclusion The tested commercial mouthwash accelerates the release of Ni ion from the two nickel alloys. This phenomenon is more significant in the nickel-casted alloy than in the other alloy type.

Key words: mouth wash, dental alloy, immersion, nickel, mouth wash, dental alloy, immersion, nickel

中图分类号: 

  • R 783
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