Development and verification of a constitutive model for human periodontal ligament based on finite element analysis

Jianlei Wu, Yunfeng Liu, Boxiu Li and Xingtao Dong

Computer Methods in Biomechanics and Biomedical Engineering, 2022, vol. 25, issue 9, 1051-1062

Abstract: This study aimed to develop a constitutive model for human periodontal ligament (PDL) by combining the hyperelastic and viscosity models. We performed the finite element analysis (FEA) to simulate the experimental processes of the PDL in vitro and in vivo tests to verify the developed model. The FEA results indicated that the simulative curves were consistent with the experimental curves in the PDL in vitro tests. Moreover, for the in vivo measurements, the simulative result of 0.6258 N was similar to the experimental value of 0.65 N. The study results can help orthodontists better understand the biomechanical characteristics of PDL.

Date: 2022
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DOI: 10.1080/10255842.2021.1999426

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