• Zhonghua Kou Qiang Yi Xue Za Zhi · Nov 2012

    [Computer simulation of projectile injuries to pig mandibular angle].

    • Tao Lei, Yu-Bin Chen, Liang-Xian Xie, Gang Zhang, and Ying-Hui Tan.
    • Department of Stomatology, Xinqiao Hospital, The Third Military Medical University, Chongqing, China.
    • Zhonghua Kou Qiang Yi Xue Za Zhi. 2012 Nov 1;47(11):651-6.

    ObjectiveTo investigate the feasibility of computer simulation in maxillofacial firearm injury.MethodsThe three-dimensional finite element models and simulations of 7.62 mm, 5.56 mm standard bullets projectile injuries to pig mandibular angle were established by using MIMICS, ANSA, LS-DYNA and LS-POST software. Based on the simulation results, the bullet hole diameters, energy loss values, energy loss rates, von Mises stress, effective strain, effective strain rate dynamic contours at different time points were used for biomechanical analysis.ResultsThe damage processe of 7.62 mm, 5.56 mm standard bullets projectile injury to pig mandibular angle were simulated successfully. The injury rate of 7.62 mm standard bullet and injury severity of the mandible were higher than that of 5.56 mm standard bullet.ConclusionsComputer simulation can simulate maxillofacial firearm injuries effectively and may become an important method for oral and maxillofacial firearm injuries analysis.

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