Blast injuries to the human mandible: Development of a finite element model and a preliminary finite element analysis

Lei, Tao; Xie, Liang-Xian; Tu, Wenbing; Chen, Yubin; Tang, Zhen; Tan, Yinghui

doi:10.1016/j.injury.2012.07.187

Cited by 18 publications

(5 citation statements)

References 20 publications

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“…Sites with the highest strain in a laterally explosive model were the posterior mandible on the blast side, the chin and the contralateral condylar neck. 30 Our Case 11, with mandibular fractures of the ipsilateral vertical unit, probably reflected the results of direct force only. Among cases for which the impact site is unknown, Case 10 had fractures in the central unit, ipsilateral subcondyle and contralateral condylar neck.…”

Section: Discussionmentioning

confidence: 76%

Mandibular fracture patterns consistent with posterior maxillary fractures involving the posterior maxillary sinus, pterygoid plate or both: CT characteristics

Imai¹,

Sukegawa²,

Kanno³

et al. 2014

Dentomaxillofacial Radiology

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Mandibular fractures accompanied by posterior maxillary fractures are not rare. The finding of a unilateral posterior maxillary fracture on CT may aid the efficient radiological examination of the mandible based on possible patterns of associated fractures, as follows: in the ipsilateral posterior region as a direct fracture when the impact is a medially directed force, and in the symphysis/parasymphysis or contralateral condylar neck as an indirect fracture.

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Section: Discussionmentioning

confidence: 76%

Mandibular fracture patterns consistent with posterior maxillary fractures involving the posterior maxillary sinus, pterygoid plate or both: CT characteristics

Imai¹,

Sukegawa²,

Kanno³

et al. 2014

Dentomaxillofacial Radiology

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“…As well as exploring the mechanisms of different fractures, FEA also meets researchers’ needs in analyzing relatively rare and more complex facial traumas, for example, to elucidate the damage to a human mandible in response to a blast event [ 18 ] or to conduct preliminary finite element simulation and analysis to determine the mechanism of mandibular damage in gunshot wounds [ 19 ].…”

Section: Trauma Surgerymentioning

confidence: 99%

Application of Finite Element Analysis in Oral and Maxillofacial Surgery—A Literature Review

Lisiak-Myszke¹,

Marciniak

Bieliński

et al. 2020

Materials

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In recent years in the field of biomechanics, the intensive development of various experimental methods has been observed. The implementation of virtual studies that for a long time have been successfully used in technical sciences also represents a new trend in dental engineering. Among these methods, finite element analysis (FEA) deserves special attention. FEA is a method used to analyze stresses and strains in complex mechanical systems. It enables the mathematical conversion and analysis of mechanical properties of a geometric object. Since the mechanical properties of the human skeleton cannot be examined in vivo, a discipline in which FEA has found particular application is oral and maxillofacial surgery. In this review we summarize the application of FEA in particular oral and maxillofacial fields such as traumatology, orthognathic surgery, reconstructive surgery and implantology presented in the current literature. Based on the available literature, we discuss the methodology and results of research where FEA has been used to understand the pathomechanism of fractures, identify optimal osteosynthesis methods, plan reconstructive operations and design intraosseous implants or osteosynthesis elements. As well as indicating the benefits of FEA in mechanical parameter analysis, we also point out the assumptions and simplifications that are commonly used. The understanding of FEA’s opportunities and advantages as well as its limitations and main flaws is crucial to fully exploit its potential.

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“…Injuries to the jaw and facial area have also increased in recent military conflicts, due largely to a combination of increased use of IEDs and minimal protection for these exposed areas (Lei, Xie, et al, 2012). According to Lei, Xie, et al (2012), research efforts existed on treatment and reconstruction; however, the fundamental research needed to advance understanding of the precise mechanisms behind the injury was overlooked. To begin addressing this gap, Lei, Xie, et al constructed a FEM using a pig mandible to start to understand human maxillofacial blastrelated injuries.…”

Section: Mandible Traumamentioning

confidence: 99%

Toward a Unified Multiscale Computational Model of the Human Body's Immediate Responses to Blast-Related Trauma: A Review of the Scientific Literature

Sousa¹,

McBirney²,

Hoch³

et al. 2021

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A Review of the Scientific Literature I n the early 2000s, during the first several years of Operation Enduring Freedom and Operation Iraqi Freedom, improvised explosive devices (IEDs) accounted for a growing proportion of U.S. combat casualties and blast-related injuries. As incidence rates quickly rose, further research into the prevention, diagnosis, and treatment of blast-related injury was needed to identify those in need of care, how to determine their level of impairment, and the efficacy of various treatments and rehabilitation methods (Tanielian and Jaycox, 2008). Advancements in boundary conditions, material properties, the computational modeling of shock tubes that replicate blast waves, the use of animal models and cadavers for data, and validation have all contributed to enhance research about the human body's responses to blast exposure.Developing comprehensive blast-related injury mechanisms remains an active area of research and exploration. Computational modeling has investigated some of the human body's responses to blast-induced injuries in various body parts, from the cellular level to the tissue system level. Such modeling grants researchers the ability to assess the vulnerability of organs exposed to blast and correlations with clinically measurable injury levels. However, despite significant progress, there are several important factors that remain difficult to measure directly in real time, including the fluid mechanics of the human body (especially the brain), electrochemical and electromechanical components, and the brain's mechanobiology, such as intracranial pressure (ICP), deformations, stretch, shear stress, shear strain, and maximum principal strain (MPS).It is also important to note that, as critical as computational models highly focused on one body part or tissue system are to deepening our understanding, it is infrequent that service mem-

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Blast injuries to the human mandible: Development of a finite element model and a preliminary finite element analysis

Cited by 18 publications

References 20 publications

Mandibular fracture patterns consistent with posterior maxillary fractures involving the posterior maxillary sinus, pterygoid plate or both: CT characteristics

Mandibular fracture patterns consistent with posterior maxillary fractures involving the posterior maxillary sinus, pterygoid plate or both: CT characteristics

Application of Finite Element Analysis in Oral and Maxillofacial Surgery—A Literature Review

Toward a Unified Multiscale Computational Model of the Human Body's Immediate Responses to Blast-Related Trauma: A Review of the Scientific Literature

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