两种托槽正畸治疗前后表面形貌及元素成分变化的研究

doi:10.13701/j.cnki.kqyxyj.2019.04.009

口腔医学研究 ›› 2019, Vol. 35 ›› Issue (4): 340-345.DOI: 10.13701/j.cnki.kqyxyj.2019.04.009

两种托槽正畸治疗前后表面形貌及元素成分变化的研究

刘晓默, 张梦琦, 林久祥^*

北京大学口腔医院正畸科北京 100087

收稿日期:2018-12-03 出版日期:2019-04-28 发布日期:2019-04-23
通讯作者: 林久祥,E-mail:jxlin@pku.edu.cn
作者简介:刘晓默(1983~ ),女,天津宝坻人,主治医师,博士,主要从事正畸材料机械性能和生物相容性研究。
基金资助:
国家自然科学基金青年科学基金项目(编号:81400561)

Changes in Surface Morphology and Elements Composition of Orthodontic Bracket Before and After Treatment

LIU Xiao-mo, ZHANG Meng-qi, LIN Jiu-xiang^*

Department of Orthodontics, Hospital of Stomatology, Peking University. Beijing 100087, China.

Received:2018-12-03 Online:2019-04-28 Published:2019-04-23

摘要/Abstract

摘要： 目的: 回收分析两种临床常用品牌的金属托槽,初步评价其经过临床应用后表面形貌及表面元素的变化情况。方法: 应用扫描电子显微镜,定性观察分析两种托槽正畸治疗前后槽沟底部的表面形貌,并应用X射线能谱仪测试表面的元素成分。结果: 两种托槽经过患者口内正畸治疗的应用后,表面有不同程度的摩擦磨损及菌斑堆积现象,金属表面的元素成分变化不大。结论: 两种托槽在口内应用的过程中没有明显的离子沉积和释放现象。

关键词: 金属托槽, 回收分析, 表面形貌

Abstract: Objective: To analyze the surface topography and surface elements of two metal brackets after clinical application. Methods: The scanning electron microscope was used to observe the slot surface morphology before and after orthodontic treatment. X-ray energy-dispersive spectrometry was used to test the elemental composition of the surface. Results: After clinical use, traces of friction and wear and different plaque accumulation could be found on the bracket surface. However, the surface element did not change much. Conclusion: After exposure in mouth, the elemental composition on the metal surface changed little without significant ion deposition and release phenomenon.

Key words: Orthodontic brackets, Retrieval analyses, Surface morphology

刘晓默, 张梦琦, 林久祥. 两种托槽正畸治疗前后表面形貌及元素成分变化的研究[J]. 口腔医学研究, 2019, 35(4): 340-345.

LIU Xiao-mo, ZHANG Meng-qi, LIN Jiu-xiang. Changes in Surface Morphology and Elements Composition of Orthodontic Bracket Before and After Treatment[J]. Journal of Oral Science Research, 2019, 35(4): 340-345.

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两种托槽正畸治疗前后表面形貌及元素成分变化的研究

Changes in Surface Morphology and Elements Composition of Orthodontic Bracket Before and After Treatment

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