The elastic modulus of dentine determined by static and dynamic methods

被引：40
|
作者：
Rees, J.S. [1 ]
Jacobsen, P.H. [1 ]
Hickman, J. [1 ]
机构：
[1] Department of Conservative Dentistry, University Wales College of Medicine, Heath Park, Cardiff CF4 4XY, United Kingdom
来源：
Clinical Materials | 1994年 / 17卷 / 01期
关键词：
Dental amalgams - Elastic moduli - Finite element method - Testing;
D O I：
10.1016/0267-6605(94)90042-6
中图分类号：
学科分类号：
摘要：
The purpose of this investigation was to determine a static elastic modulus of dentine using a three point beam test and a dynamic modulus in the frequency range of 0.1 Hz and 10 Hz across a temperature range of 27-37°C. At body temperature, the mean static modulus was 8.6 GPa, (standard deviation 0.86 GPa). The dynamic test produced a range of modulus values. At 0.1 Hz the modulus ranged from 14.3 to 15.2 GPa; for 1.0 Hz the range was 14.6-15.5 GPa and for 10 Hz the range was 14.9-15.8 GPa. The results are of value in the design and analysis of restorative materials.
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页码：11 / 15
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