Stress Distribution Analysis of Threaded Implants for Digital Dentistry

被引:3
作者
Ahn, Seokho [1 ]
Kim, Jaesung [2 ]
Jeong, Seok Chan [3 ]
Kim, Myungil [4 ]
Kim, Cheolyoung [5 ]
Park, Dongki [5 ]
机构
[1] Hanbat Natl Univ, Dept Digital Mfg, 125 Dongseo Daero, Daejeon 34158, South Korea
[2] Hanbat Natl Univ, Dept Ind Acad Convergence, 125 Dongseo Daero, Daejeon 34158, South Korea
[3] Dong Eui Univ, Dept E Business, Busan 47340, South Korea
[4] Korea Inst Sci & Technol Informat, Div Natl Supercomp Intelligent Simulat Ctr, 245 Daehak Ro, Daejeon 34141, South Korea
[5] Implant Res Lab, Cybermed 6-26,Yuseong Daro 1205 Beon Gil, Daejeon 34104, South Korea
关键词
ANSYS mechanical; implant length; implant thickness; bone material properties; cortical bone; computer-aided engineering;
D O I
10.3390/ijerph191912674
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this study, stability evaluation is performed through structural analysis based on digital dental implant design variables. The design variables include the implant length and thickness, cortical bone thickness, and elastic modulus of the cancellous bone. Subsequently, the stress in the external cortical bone, in which numerous nerves exist, is analyzed. Results show that stress increases as the implant length decreases. However, when the implant length is 10 mm, the stress decreases, owing to stress dispersion at the lower section of the implant. Moreover, as the implant thickness increases, the stress decreases. As the elastic modulus of the cancellous bone decreases, the stress exerted on the cancellous bone decreases; consequently, the stress exerted on the cortical bone increases. Finally, as the thickness of the cortical bone increases, the stress decreases when a vertical load is applied. However, when a load is applied in the oblique direction, the stress increases. Based on data obtained via digital radiography, which is a digital dental technology, a more precise implantation plan will be established by substituting the data via structural analysis.
引用
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页数:14
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