3D打印牙模与传统石膏牙模的比较研究

doi:10.16731/j.cnki.1671-3133.2017.10.007

现代制造工程 ›› 2017, Vol. 445 ›› Issue (10): 35-40.doi: 10.16731/j.cnki.1671-3133.2017.10.007

3D打印牙模与传统石膏牙模的比较研究

张江涛, 胡中伟, 张志斌

华侨大学制造工程研究院,厦门 361021

收稿日期:2016-07-06 出版日期:2017-10-20 发布日期:2018-01-08
作者简介:张江涛,硕士研究生,主要研究方向为高效精密加工。胡中伟,通讯作者,博士,讲师,硕士研究生导师,主要研究方向为高效精密加工。 E-mail:835710392@qq.com
基金资助:
国家自然科学青年基金项目(51205142);华侨大学中青年教师科研提升资助计划项目(Z14J0009);华侨大学研究生科研创新能力培育计划资助项目

Comparative analysis between 3D printed dental casts and traditional plaster casts

Zhang Jiangtao, Hu Zhongwei, Zhang Zhibin

Manufacturing Engineering Research Institute,Huaqiao University,Xiamen 361021,Fujian,China

Received:2016-07-06 Online:2017-10-20 Published:2018-01-08

摘要/Abstract

摘要： 随着数字化技术在口腔医学上的广泛应用,义齿的数字化制备将成为未来的发展趋势,而在义齿的数字化制备过程中,3D打印牙模必然会替代传统石膏牙模。采用3D打印和印模浇灌石膏两种方法制备标准的圆柱体试样和长方体试样,测量标准试样的力学性能以及表面粗糙度,间接比较3D打印牙模与传统石膏牙模的力学性能以及表面粗糙度,并对3D打印牙模与传统石膏牙模的尺寸精度进行了比较研究。与传统石膏牙模相比,3D打印牙模的硬度较低,但其抗压强度、抗弯强度及表面粗糙度更好。3D打印牙模的尺寸精度与传统石膏牙模的尺寸精度相差不大,但前者的一致性更好。通过与传统石膏牙模的力学性能以及表面粗糙度和尺寸精度的比较研究可知,3D打印牙模的综合性能优于传统石膏牙模,完全可以替代传统石膏牙模用于数字化义齿的制备。

关键词: 3D打印牙模, 力学性能, 表面粗糙度, 尺寸精度

Abstract: With the development of digital technology in the stomatology application and digital fabrication of dentures will be the trend in the future.During the process of digital fabrication of dentures,3D printed dental casts will replace traditional plaster casts.Preparing standard cylinder and rectangular specimens by 3D printing and pour plaster impression and measuring the mechanical properties and surface roughness of specimens are indirect comparison with 3D printed dental casts and traditional plaster casts.Besides the dimensional accuracy of them are analyzed in comparison.Compared with traditional plaster casts,3D printed dental casts are less in hardness,but better in compressive strength,bending strength and surface roughness.The dimensional accuracy of 3D printed dental casts is similar to traditional plaster casts,but the consistency of 3D printed dental casts is better.Comparative analysis between 3D printed dental casts and traditional plaster casts,the study shows that 3D printed dental casts which are more superior to traditional plaster casts,can fully replace traditional plaster casts for digital fabrication of dentures.

Key words: 3D printed dental casts, mechanical properties, surface roughness, dimensional accuracy

中图分类号:

TH16

张江涛, 胡中伟, 张志斌. 3D打印牙模与传统石膏牙模的比较研究[J]. 现代制造工程, 2017, 445(10): 35-40.

Zhang Jiangtao, Hu Zhongwei, Zhang Zhibin. Comparative analysis between 3D printed dental casts and traditional plaster casts[J]. Modern Manufacturing Engineering, 2017, 445(10): 35-40.

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3D打印牙模与传统石膏牙模的比较研究

Comparative analysis between 3D printed dental casts and traditional plaster casts

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