中国组织工程研究

中国组织工程研究 ›› 2010, Vol. 14 ›› Issue (12): 2195-2197.doi: 10.3969/j.issn.1673-8225.2010.12.026

• 生物材料基础实验 basic experiments of biomaterials • 上一篇    下一篇

国产无机三氧化聚合物的性能表征

李晓霞1，唐 明1，邓旭亮2，杨小平3，郑钧元1   

  1. 1重庆医科大学附属第一医院口腔科，重庆市   400016；2北京大学口腔医学院，北京市100081；   3北京化工大学北京市新型高分子材料制备与加工重点实验室，北京市  100029
  • 出版日期:2010-03-19 发布日期:2010-03-19
  • 通讯作者: 唐 明，硕士，副教授，重庆医科大学附属第一医院口腔科，重庆市 400016 doctor-mt@hotmail.com
  • 作者简介:李晓霞★，女，1983年生，山西省忻州市人，重庆医科大学在读硕士，主要从事牙体牙髓病学研究。 lixiaoxia0312@163.com

Performance of domestic mineral trioxide aggregate

Li Xiao-xia1, Tang Ming1, Deng Xu-liang2, Yang Xiao-ping3, Zheng Jun-yuan1   

  1. 1 Department of Slomatology, First Affiliated Hospital, Chongqing Medical University, Chongqing   400016, China; 2 School of Stomatology, Peking University, Beijing   100081, China; 3 Key Laboratory of Beijing Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing   100029, China
  • Online:2010-03-19 Published:2010-03-19
  • Contact: Tang Ming, Master, Associate professor, Department of Slomatology, First Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China doctor-mt@hotmail.com
  • About author:Li Xiao-xia, Studying for master’s degree, Department of Slomatology, First Affiliated Hospital, Chongqing Medical University, Chongqing 400016, China lixiaoxia0312@163.com

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被引次数

1

摘要：

背景：无机三氧化复合物自1998年在美国问世以来就表现出了较其他牙髓科材料明显的优势，但目前国内无机三氧化复合物全部依赖于进口，尚无相关替代产品问世，因此国内自行研制无机三氧化复合物很有必要。
目的：对新材料国产无机三氧化聚合物无机三氧化复合物进行初步的性能研究。
方法：应用扫描电镜, X射线衍射, X射线荧光对通过球磨混合与长时烧结复合方式法制备得到的的材料国产无机三氧化复合物进行表征。
结果与结论: 扫描电镜观察国产无机三氧化复合物粉体呈现多间隙，凹凸不平，稍大的颗粒分散于小颗粒之间的形貌。由X射线衍射实验图可知3CaO•SiO2、Bi2O3和2CaO•SiO2 3种物相为最主要成分。X射线荧光实验得到国产无机三氧化复合物主要成分为：氧化铋18.169 52%；硅酸三钙60.857 32%；硅酸二钙19.703 31%；铝酸三钙0.756 56%；铁铝酸四钙1.764 1%。实验证实球磨混合与长时烧结的复合方式法制备出的国产无机三氧化复合物其成分与进口的无机三氧化复合物材料相近。

关键词: 无机三氧化物聚合物, X射线衍射, X射线荧光, 生物相容性材料, 口腔生物材料

Abstract:

BACKGROUND: Since its inception in 1998 in the United States, mineral trioxide aggregate (MTA) showed obvious superiority compared to other materials, but the current domestic MTA entirely dependent on imports. There is no relevant alternative products come out, therefore, domestic MTA is necessary.
OBJECTIVE: To research the performance of domestic MTA.
METHODS: The domestic MTA was prepared using ball-milling mixing and sintering method and its performance was studied by scanning electron microscope (SEM), X-ray diffraction (XRD) and X-ray fluorescence (XRF).
RESULTS AND CONCLUSION: SEM showed domestic MTA had many gaps, uneven shape, and large granules dispersed among small granules. XRD demonstrated that 3CaO•SiO2, Bi2O3 and 2CaO•SiO2 were main components. XRF revealed that main components of domestic MTA were bismuth oxide 18.169 52%, tricalcium silicate 60.857 32%, dicalcium silicate 19.703 31%, tricalcium aluminate 0.756 56% and 4CaO•Al2O3•Fe2O3 1.764 1%. Results showed that the ingredients of domestic MTA using ball-milling mixing and sintering method are similar to the imported materials.

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