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Stability of the Mandible–Strut Plate Complex in Isolated Angle Fractures: A Finite Element Study

Lanka, Gopi Krishna
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1535382405124984

Abstract Details

2018, MS, University of Cincinnati, Engineering and Applied Science: Mechanical Engineering.
Restoring functionality to the human mandible with an isolated angle fracture is a major challenge in mandibular biomechanics. To achieve this objective, open reduction and internal fixation (ORIF) surgical techniques are widely used by surgeons with help of available fixation hardware. However, there is considerable controversy regarding the ideal surgical technique. Despite considerable research, the complexity of mandibular biomechanics coupled with patient-to-patient variability has acted as a major roadblock in the development of hardware capable of providing sufficient functional stability. In this study, we seek to identify the factors that affect the stability of a fully dentate fractured mandible using finite element modeling and analysis. We consider a fractured mandible that has undergone surgery using a Titanium alloy ladder plate, which features two linear plates connected by vertical struts. The mandible is modeled as a heterogeneous, orthotropic and linearly elastic material. A number of parametric studies are carried out to study the contribution of plate location, plate stiffness and mandibular stiffness to the stability of the fractured mandible. Results from these studies show that, while the plate location at the fractured site has major influence on the stability at the fractured site, mandibular stiffness has negligible influence on the same. Though the plate stiffness has some effect on the stability, it is not substantial and does not make a compelling case to change the material of the strut plate.
Kumar Vemaganti, Ph.D. (Committee Chair)
Woo Kyun Kim, Ph.D. (Committee Member)
Deepak Krishnan (Committee Member)
105 p.
Biomechanics
Open Reduction Internal Fixation; Human mandible biomechanics; isolated angle fractures; Ti-6Al-4V strut plate; orthotropic material orientations; finite element modeling

Recommended Citations

Citations

  • Lanka, G. K. (2018). Stability of the Mandible–Strut Plate Complex in Isolated Angle Fractures: A Finite Element Study [Master's thesis, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1535382405124984

    APA Style (7th edition)

  • Lanka, Gopi Krishna. Stability of the Mandible–Strut Plate Complex in Isolated Angle Fractures: A Finite Element Study. 2018. University of Cincinnati, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1535382405124984.

    MLA Style (8th edition)

  • Lanka, Gopi Krishna. "Stability of the Mandible–Strut Plate Complex in Isolated Angle Fractures: A Finite Element Study." Master's thesis, University of Cincinnati, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1535382405124984

    Chicago Manual of Style (17th edition)

ucin1535382405124984
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This open access ETD is published by University of Cincinnati and OhioLINK.