Desenvolvimento de estrutura 3D de polieteretercetona semelhante a morfologia do osso craniano para uso em cranioplastia

Autores

DOI:

https://doi.org/10.33448/rsd-v10i3.13336

Palavras-chave:

Estrutura 3D; Polieteretercetona; Osso craniano; Técnica de lixiviação de sal.

Resumo

O traumatismo cranioencefálico (TCE) é uma situação comum em hospitais de trauma e tem se tornado responsável por altas taxas de mortalidade em todo o mundo. Quando a vítima de TCE é acometida por lesões na calota craniana com necessidade de enxerto, eventualmente surgem problemas de disponibilidade de materiais adequados e acessíveis. Neste estudo, foi desenvolvida uma estrutura 3D de Polieteretercetona (PEEK) que mimetiza a morfologia do osso craniano para uso em cranioplastia. Amostras de diferentes formulações, na forma de pastilhas redondas, foram obtidas por compressão uniaxial, e a porosidade foi controlada pela técnica de lixiviação de sal. Em seguida, os espécimes foram caracterizados quanto à morfologia e distribuição dos poros, rugosidade superficial, resistência à compressão e citotoxicidade. Os resultados exibiram altos níveis de similaridade das estruturas 3D de PEEK com o osso humano natural, o que indica a eficácia do método proposto em mimetizar a morfologia do sistema compacto/poroso/compacto da calota craniana (diploe).

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Publicado

16/03/2021

Como Citar

MACEDO, M. D. M.; BRITTO FILHO, C. O.; SOUZA, M. F. de; SOUSA, W. J. B. de; PEDROSA, T. C.; AZEVEDO, A. C. S. de; SANTOS, K. O.; CERQUEIRA, G. R. C. de; GADELHA, F. M. .; FOOK, M. V. L. Desenvolvimento de estrutura 3D de polieteretercetona semelhante a morfologia do osso craniano para uso em cranioplastia. Research, Society and Development, [S. l.], v. 10, n. 3, p. e29810313336, 2021. DOI: 10.33448/rsd-v10i3.13336. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/13336. Acesso em: 17 jul. 2024.

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Engenharias