正畸不锈钢弓丝表面纳米二氧化硅涂层的研制

›› 2016, Vol. 7 ›› Issue (1): 23-25.

正畸不锈钢弓丝表面纳米二氧化硅涂层的研制

陈晓星¹,李华²,张昊³,马俊青³,李琥⁴,王震东⁴,严斌³,李青奕⁵,韶青华⁵,谷妍⁵,王威⁵

1. 南京市鼓楼区康爱社区卫生服务中心
2. 镇江市口腔医院
3. 南京医科大学
4. 南京医科大学附属口腔医院
5. 南京医科大学口腔疾病研究江苏省重点实验室

收稿日期:2015-07-10 修回日期:2015-11-05 出版日期:2016-03-25 发布日期:2016-04-06
通讯作者: 马俊青 E-mail:junqingma2000@hotmail.com
基金资助:
国家自然科学基金青年科学基金项目;江苏省高校优势学科建设工程一期项目;镇江市社会发展科技支撑项目

Development of nano-SiO2 coated orthodontic stainless steel wires

Received:2015-07-10 Revised:2015-11-05 Online:2016-03-25 Published:2016-04-06
Contact: Junqing Ma E-mail:junqingma2000@hotmail.com

摘要/Abstract

摘要： 目的：研制纳米二氧化硅涂层正畸不锈钢弓丝，并对弓丝涂层结构表面性能以及基本物理性能进行初步研究。方法：采用非平衡磁控溅射法，在不锈钢正畸弓丝表面沉积生成纳米二氧化硅膜，使用扫描电镜和能谱分析观察分析改性弓丝表面及截面的形貌特性，并比较两种弓丝的摩擦性能。结果：研制生产出纳米二氧化硅涂层弓丝，弓丝表面沉积二氧化硅薄膜厚度约50 nm。二氧化硅尺寸均一，分布均匀，表面光洁度高，涂层弓丝摩擦性能明显优于不锈钢弓丝。结论：弓丝表面纳米二氧化硅镀膜对弓丝尺寸几乎无影响，具有良好表面性状及光化学活性，且降低了托槽—弓丝间的摩擦力，可以满足口腔正畸临床需要。

Abstract: Objective：To develop nano-SiO2 coated orthodontic stainless steel wires and to study the surface characters and the basic physical properties of the coating. Methods: Nano silicon dioxide film was deposited on the surface of stainless steel orthodontic wire by using unbalanced magnetron sputtering method. The surface and cross section properties of the coatings were observed with scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS).We also compared the changes of friction property between the two archwires. Results: A nano silica coated wire was thus developed, and the silicon dioxide film was about 50 nm thick. The size and the distribution of silica is uniform, and the surface is bright and clean. The friction property of the coating was obviously superior to that of the stainless steel wire. Conclusions: The nano silica coating on the surface does not change the size of the wire. With good surface properties ,better friction properties and photochemical activity it is better for clinical use.

中图分类号:

R783.1

陈晓星李华张昊马俊青李琥王震东严斌李青奕韶青华谷妍王威. 正畸不锈钢弓丝表面纳米二氧化硅涂层的研制[J]. , 2016, 7(1): 23-25.

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