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Mańkowski J, Piękoś J, Dominiak K, et al. A Mandible with the Temporomandibular Joint-A New FEM Model Dedicated to Strength and Fatigue Calculations of Bonding Elements Used in Fracture and Defect Surgery. Materials (Basel). 2021;14(17)doi: 10.3390/ma14175031.
Mańkowski, J., Piękoś, J., Dominiak, K., Klukowski, P., Fotek, M., Zawisza, M., & Żach, P. (2021). A Mandible with the Temporomandibular Joint-A New FEM Model Dedicated to Strength and Fatigue Calculations of Bonding Elements Used in Fracture and Defect Surgery. Materials (Basel, Switzerland), 14(17), . https://doi.org/10.3390/ma14175031
Mańkowski, Jarosław, et al. "A Mandible with the Temporomandibular Joint-A New FEM Model Dedicated to Strength and Fatigue Calculations of Bonding Elements Used in Fracture and Defect Surgery." Materials (Basel, Switzerland) vol. 14,17 (2021). doi: https://doi.org/10.3390/ma14175031
Mańkowski J, Piękoś J, Dominiak K, Klukowski P, Fotek M, Zawisza M, Żach P. A Mandible with the Temporomandibular Joint-A New FEM Model Dedicated to Strength and Fatigue Calculations of Bonding Elements Used in Fracture and Defect Surgery. Materials (Basel). 2021 Sep 02;14(17). doi: 10.3390/ma14175031. PMID: 34501120; PMCID: PMC8434464.
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Materials (Basel). 2021 Sep 02;14(17). doi: 10.3390/ma14175031.

A Mandible with the Temporomandibular Joint-A New FEM Model Dedicated to Strength and Fatigue Calculations of Bonding Elements Used in Fracture and Defect Surgery.

Materials (Basel, Switzerland)

Jarosław Mańkowski, Jakub Piękoś, Karol Dominiak, Piotr Klukowski, Michał Fotek, Maciej Zawisza, Piotr Żach

Affiliations

  1. Institute of Machine Design Fundamentals, Warsaw University of Technology, 00-661 Warsaw, Poland.
  2. MedDev Engineering, 02-522 Warsaw, Poland.
  3. Department of Head and Neck Cancer, Maria Sklodowska-Curie National Research Institute of Oncology, 02-034 Warsaw, Poland.

PMID: 34501120 PMCID: PMC8434464 DOI: 10.3390/ma14175031

Abstract

The aim of the study was to develop a new FEM (finite element method) model of a mandible with the temporal joint, which can be used in the numerical verification of the work of bonding elements used in surgical operations of patients with mandibular fractures or defects. Most of such types of numerical models are dedicated to a specific case. The authors engaged themselves in building a model that can be relatively easily adapted to various types of tasks, allowing to assess stiffness, strength and durability of the bonded fragments, taking into account operational loads and fatigue limit that vary in time. The source of data constituting the basis for the construction of the model were DICOM (digital imaging and communications in medicine) files from medical imaging using computed tomography. On their basis, using the 3D Slicer program and algorithms based on the Hounsfield scale, a 3D model was created in the STL (standard triangle language) format. A CAD (computer-aided design) model was created using VRMesh and SolidWorks. An FEM model was built using HyperWorks and Abaqus/CAE. Abaqus solver was used for FEM analyses. A model meeting the adopted assumptions was built. The verification was conducted by analyzing the influence of the simplifications of the temporomandibular joint in the assessment of mandibular strain. The work of an undamaged mandible and the work of the bonded fracture of the mandible were simulated.

Keywords: FEM model; bonding plate; durability assessment; fatigue strength; fracture; mandible; strength analysis; temporomandibular joint

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