中国组织工程研究

中国组织工程研究 ›› 2011, Vol. 15 ›› Issue (51): 9625-9628.doi: 10.3969/j.issn.1673-8225.2011.51.029

• 材料力学及表面改性 material mechanics and surface modification • 上一篇    下一篇

热压膜材料的弯曲力学性能

邹建明，朱房勇，陈玉华   

  1. 无锡市第三人民医院，江苏省无锡市  214000
  • 收稿日期:2011-08-26 修回日期:2011-09-29 出版日期:2011-12-17 发布日期:2011-12-17
  • 通讯作者: 朱房勇，硕士，无锡市第三人民医院，江苏省无锡市 214000 4645056@163.com
  • 作者简介:邹建明，男，1963年生，南京医科大学毕业，汉族，副主任医师，主要从事口腔临床医学研究。

Bending mechanical properties of the thermoplastic materials

Zou Jian-ming, Zhu Fang-yong, Chen Yu-hua   

  1. Third People’s Hospital of Wuxi, Wuxi  214000, Jiangsu Province, China
  • Received:2011-08-26 Revised:2011-09-29 Online:2011-12-17 Published:2011-12-17
  • Contact: Zhu Fang-yong, Master, Third People’s Hospital of Wuxi, Wuxi 214000, Jiangsu Province, China 4645056@163.com
  • About author:Zou Jian-ming, Associate chief physician, Third People’s Hospital of Wuxi, Wuxi 214000, Jiangsu Province, China

PDF

459

被引次数

5

摘要：

背景：随着热压膜技术的发展，正畸临床上出现使用热压膜材料制作的改良矫治器。
目的：观察不同厚度热压膜材料的弯曲力学性能差异。
方法：在室温25 ℃环境下，选用厚度为1.0 mm，1.2 mm，1.5 mm，2.0 mm的热压膜膜片各10片，应用万能材料试验机测量并比较材料在未处理时(面积为40 mm×25 mm)和在不同长方形模具上热压膜成盒形时(体积均为50 mm×10 mm×  5 mm)的弯曲力学性能。
结果与结论：在不同的处理方式下，2.0 mm热压膜膜片的弹性模量、屈服强度，最大值-应力均最高(P < 0.05)，同时该材料未出现断裂点。证实，厚度和形状对热压膜材料的力学性能产生影响，2.0 mm热压膜的力学性能最高，适用于临床制作功能矫治器。

关键词: 热压膜材料, 厚度, 弯曲力学, 矫治器, 生物材料, 组织工程

Abstract:

BACKGROUND: With the development of the thermoplastic technology, the thermoplastic materials modified appliance becomes being used in orthodontics.
OBJECTIVE: To observe the differences of bending mechanical properties among the thermoplastic materials with different thicknesses.
METHODS: The experiment was performed at room temperature of 25 ℃, and the thermoplastic material Simona with thickness of 1.0 mm, 1.2 mm, 1.5 mm, and 2.0 mm were involved, 10 pieces of each type. The Simona were tested by universal testing machine before treatment (area was 40 mm×25 mm) and after formation with different rectangle moulds (volume was 50 mm×  10 mm×5 mm) in order to compare their bending mechanical properties.
RESULTS ANS CONCLUSION: The modulus, yield strength and the maximum stress of the Simona 2.0 mm were the highest with different treatment (P < 0.05), and there was no fracture. The materials with different thicknesses and shapes have different mechanical properties. The Simona 2.0 mm is suitable for functional appliance base on its high mechanical properties.

中图分类号: