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    Wyświetlanie 1-2 z 2
    Tytuł:
    Finite element analysis of mini-plate stabilization of human mandible angle fracture – a comparative study
    Autorzy:
    Wądołowski, Piotr
    Krzesiński, Grzegorz
    Gutowski, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/27324127.pdf
    Data publikacji:
    2020
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    finite element analysis
    maxillofacial surgery
    mandibular angle fracture
    miniplate osteosynthesis
    contact mechanics
    analiza elementów skończonych
    chirurgia szczękowo-twarzowa
    złamanie kąta żuchwy
    osteosynteza minipłytkowa
    mechanika kontaktowa
    Opis:
    Purpose: The purpose of this study was to analyze three patterns of mandible angle fracture treatment by means of the finite element analysis. Methods: Investigation has been based on the mandible geometry reconstructed with use of hospitalized patient CT data. The KLS Martin mini-plates with corresponding screws were used to establish proper fracture stabilization. Models were run assuming isotropic and elasto-plastic material properties of connecting devices and cortical bone. The main masticatory muscles and artificial temporomandibular joint have been incorporated to assure mandible physiological movement. The gage loading has been applied in three different locations to cover wider range of possible mastication loading cases during daily routine. A different contact conditions have been applied to the fracture plane to simulate both load bearing and sharing behaviors. Prepared FEM models reflect the most frequently used surgery’s approaches to mandible angle fracture treatment. A specific nomenclature has been introduced to describe particular model. The tension plate, with one connecting mini-plate, two-point fixation and combined fixation, both using two mini-plates respectively. Results: Performed analysis allowed for a detailed estimation of the mini-plate connection response under the applied gauge loading. The equivalent stress within the mini-plates and surrounding cortical bone have been compared between all models. Regarding the fracture plane, the contact status and pressure have been considered. Conclusions: The combined fixation model, acting as a biplanar fastener system, presents the highest flexibility and connection efficiency.
    Źródło:
    Acta of Bioengineering and Biomechanics; 2020, 22, 3; 105--116
    1509-409X
    2450-6303
    Pojawia się w:
    Acta of Bioengineering and Biomechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Epidemiological assessment of maxillofacial fractures in inhabitants of Lower Silesia, Poland, in 2002-2006 - Treatment of maxillofacial fracture
    Autorzy:
    Parulska, O.
    Dobrzynski, M.
    Bazan, J.
    Calkosinski, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/3318.pdf
    Data publikacji:
    2015
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    epidemiology
    maxillofacial fracture
    treatment
    fracture
    inhabitant
    Lover Silesia
    Polska
    2002-2006 period
    Opis:
    Introduction and objective. Epidemiological assessment of maxillofacial fractures carried out by a given specialized centre may constitute valuable material for comparison with other regions of Poland and the European Union. This material could help standardize the present methods of treating craniofacial skeleton dislocations, and plan appropriate financial resources both for specialized treatment of such fractures and fractures that require multidisciplinary care. Moreover, the frequency of complicated maxillofacial fractures leading to residual disability and circumstances in which fracture occurred may be useful for the Social Security authorities. Materials and methods. This study is a continuation of research on maxillofacial traumatology carried by the Maxillofacial Department of the Medical University in Wrocław, Lower Silesia. Since 1956, a statistical review of maxillofacial fractures has been kept in 5 or 10-year periods. Statistical analysis of this kind is useful in indentifying the frequency of the phenomenon, taking suitable treatment precautions, verifying treatment methods, and analyzing costs and losses incurred as a result of absence at work. Sociological aspect of such studies includes indicating sources of socially adverse phenomena, i.e. violence or alcohol abuse. The studies were based on clinical documentation of 937 patients, where dependencies between chosen parameters were identified. As a basic statistical analysis of variable interdependence the χ2 test of independence was applied. Conclusions. Lately, there have been more maxillofacial fractures resulting from civilization changes. Simultaneously, there are new treatment methods and significant progress has been made regarding materials that are used in these treatments.
    Źródło:
    Journal of Pre-Clinical and Clinical Research; 2015, 09, 1
    1898-2395
    Pojawia się w:
    Journal of Pre-Clinical and Clinical Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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