Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1055/s-0042-1748859 http://hdl.handle.net/11449/241107 |
Resumo: | Objective The aim of this study was to evaluate the influence of near-cortical over-drilling holes on the mechanical behaviour of locking plate constructs applied in maned wolf's femur by using mechanical testing and finite element method (FEM). Study Design Seven pairs of adult maned wolves (Chrysocyon brachyurus) femur bones were randomly distributed into four groups. In all groups, a 3.5 mm locking compression plate, designed with 12 combi-holes and one locked, was applied to the lateral surface of the femur. G1 (n = 4) received bicortical locking screws placed in holes 1, 3, 5, 8, 10 and 12. In G2 (n = 5), the plate was applied as used in G1, but the application of the locked screws involved the near-cortical over-drilling technique. In G3 (n = 4), the plate was applied as used in G2, but the size of the near-cortical over-drilling was larger. The combi-holes 6 and 7 were maintained over a 10 mm fracture gap without screws. All constructs were tested for failure in the axial load. The axial load was applied eccentrically to the femoral head. Results Statistical differences were observed in the maximum load with G3 > G1 and G3 > G2, and in the deflection with G2 > G1 and G2 > G3. The FEM showed the lowest total displacement of the bone-plate constructs as well as of the plate in G1 compared with G2 and G3. Conclusion The near-cortical over-drilling technique used in unstable fractures induced in the maned wolf's femur showed by static axial compression test that maximum load and deflection are dependent on drill hole size induced in the near-cortex. Based on FEM, the lowest total displacement of the bone-plate constructs was observed in Group 1. |
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Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femurcanidfinite element methodfracturelocked platenear-cortex overdrillingObjective The aim of this study was to evaluate the influence of near-cortical over-drilling holes on the mechanical behaviour of locking plate constructs applied in maned wolf's femur by using mechanical testing and finite element method (FEM). Study Design Seven pairs of adult maned wolves (Chrysocyon brachyurus) femur bones were randomly distributed into four groups. In all groups, a 3.5 mm locking compression plate, designed with 12 combi-holes and one locked, was applied to the lateral surface of the femur. G1 (n = 4) received bicortical locking screws placed in holes 1, 3, 5, 8, 10 and 12. In G2 (n = 5), the plate was applied as used in G1, but the application of the locked screws involved the near-cortical over-drilling technique. In G3 (n = 4), the plate was applied as used in G2, but the size of the near-cortical over-drilling was larger. The combi-holes 6 and 7 were maintained over a 10 mm fracture gap without screws. All constructs were tested for failure in the axial load. The axial load was applied eccentrically to the femoral head. Results Statistical differences were observed in the maximum load with G3 > G1 and G3 > G2, and in the deflection with G2 > G1 and G2 > G3. The FEM showed the lowest total displacement of the bone-plate constructs as well as of the plate in G1 compared with G2 and G3. Conclusion The near-cortical over-drilling technique used in unstable fractures induced in the maned wolf's femur showed by static axial compression test that maximum load and deflection are dependent on drill hole size induced in the near-cortex. Based on FEM, the lowest total displacement of the bone-plate constructs was observed in Group 1.Department of Veterinary Surgery and Anesthesiology School of Veterinary Medicine and Animal Science São Paulo State University (UNESP), Rubião Júnior s/n, SPDepartment of Veterinary Surgery Federal University of Viçosa, MGDepartment of Materials and Technology São Paulo State University (UNESP), Guaratinguetá, São PauloSolution Engineering Manager SAMT - Structural Solutions for Finite ElementsMechanical and Metallography Testing Laboratory - LEMM, Jaú, SP, Rua Luiz Pengo 150Department of Veterinary Surgery and Anesthesiology School of Veterinary Medicine and Animal Science University of Marília (UNIMAR), Marília, SPDepartment of Veterinary Surgery and Anesthesiology School of Veterinary Medicine and Animal Science São Paulo State University (UNESP), Rubião Júnior s/n, SPDepartment of Materials and Technology São Paulo State University (UNESP), Guaratinguetá, São PauloUniversidade Estadual Paulista (UNESP)Federal University of ViçosaSAMT - Structural Solutions for Finite ElementsMechanical and Metallography Testing Laboratory - LEMMUniversity of Marília (UNIMAR)Siqueira, Rafael C. [UNESP]Rahal, Sheila C. [UNESP]Mesquita, Luciana R. [UNESP]Voorwald, Fabiana A.Fernandes, Martin F. [UNESP]Tosati, MarcosRibeiro, Celso R.Scorsato, Paulo S.2023-03-01T20:47:24Z2023-03-01T20:47:24Z2022-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlehttp://dx.doi.org/10.1055/s-0042-1748859Veterinary and Comparative Orthopaedics and Traumatology.0932-0814http://hdl.handle.net/11449/24110710.1055/s-0042-17488592-s2.0-85131357452Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengVeterinary and Comparative Orthopaedics and Traumatologyinfo:eu-repo/semantics/openAccess2023-03-01T20:47:24Zoai:repositorio.unesp.br:11449/241107Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-03-01T20:47:24Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur |
title |
Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur |
spellingShingle |
Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur Siqueira, Rafael C. [UNESP] canid finite element method fracture locked plate near-cortex overdrilling |
title_short |
Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur |
title_full |
Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur |
title_fullStr |
Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur |
title_full_unstemmed |
Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur |
title_sort |
Influence of the Near-Cortical Over-Drilling Technique on the Mechanical Behaviour of Locking Plate Constructs Applied in Maned Wolf's Femur |
author |
Siqueira, Rafael C. [UNESP] |
author_facet |
Siqueira, Rafael C. [UNESP] Rahal, Sheila C. [UNESP] Mesquita, Luciana R. [UNESP] Voorwald, Fabiana A. Fernandes, Martin F. [UNESP] Tosati, Marcos Ribeiro, Celso R. Scorsato, Paulo S. |
author_role |
author |
author2 |
Rahal, Sheila C. [UNESP] Mesquita, Luciana R. [UNESP] Voorwald, Fabiana A. Fernandes, Martin F. [UNESP] Tosati, Marcos Ribeiro, Celso R. Scorsato, Paulo S. |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) Federal University of Viçosa SAMT - Structural Solutions for Finite Elements Mechanical and Metallography Testing Laboratory - LEMM University of Marília (UNIMAR) |
dc.contributor.author.fl_str_mv |
Siqueira, Rafael C. [UNESP] Rahal, Sheila C. [UNESP] Mesquita, Luciana R. [UNESP] Voorwald, Fabiana A. Fernandes, Martin F. [UNESP] Tosati, Marcos Ribeiro, Celso R. Scorsato, Paulo S. |
dc.subject.por.fl_str_mv |
canid finite element method fracture locked plate near-cortex overdrilling |
topic |
canid finite element method fracture locked plate near-cortex overdrilling |
description |
Objective The aim of this study was to evaluate the influence of near-cortical over-drilling holes on the mechanical behaviour of locking plate constructs applied in maned wolf's femur by using mechanical testing and finite element method (FEM). Study Design Seven pairs of adult maned wolves (Chrysocyon brachyurus) femur bones were randomly distributed into four groups. In all groups, a 3.5 mm locking compression plate, designed with 12 combi-holes and one locked, was applied to the lateral surface of the femur. G1 (n = 4) received bicortical locking screws placed in holes 1, 3, 5, 8, 10 and 12. In G2 (n = 5), the plate was applied as used in G1, but the application of the locked screws involved the near-cortical over-drilling technique. In G3 (n = 4), the plate was applied as used in G2, but the size of the near-cortical over-drilling was larger. The combi-holes 6 and 7 were maintained over a 10 mm fracture gap without screws. All constructs were tested for failure in the axial load. The axial load was applied eccentrically to the femoral head. Results Statistical differences were observed in the maximum load with G3 > G1 and G3 > G2, and in the deflection with G2 > G1 and G2 > G3. The FEM showed the lowest total displacement of the bone-plate constructs as well as of the plate in G1 compared with G2 and G3. Conclusion The near-cortical over-drilling technique used in unstable fractures induced in the maned wolf's femur showed by static axial compression test that maximum load and deflection are dependent on drill hole size induced in the near-cortex. Based on FEM, the lowest total displacement of the bone-plate constructs was observed in Group 1. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-01-01 2023-03-01T20:47:24Z 2023-03-01T20:47:24Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1055/s-0042-1748859 Veterinary and Comparative Orthopaedics and Traumatology. 0932-0814 http://hdl.handle.net/11449/241107 10.1055/s-0042-1748859 2-s2.0-85131357452 |
url |
http://dx.doi.org/10.1055/s-0042-1748859 http://hdl.handle.net/11449/241107 |
identifier_str_mv |
Veterinary and Comparative Orthopaedics and Traumatology. 0932-0814 10.1055/s-0042-1748859 2-s2.0-85131357452 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Veterinary and Comparative Orthopaedics and Traumatology |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1803046304640663552 |