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Utilize este identificador para citar ou criar um link para este item: http://acervodigital.unesp.br/handle/11449/15346
Título: 
Evaluation of the Shore A Hardness of Silicone for Facial Prosthesis as to the Effect of Storage Period and Chemical Disinfection
Autor(es): 
Instituição: 
  • Fac Integradas Santa Fe do Sul
  • Universidade Estadual Paulista (UNESP)
ISSN: 
1049-2275
Resumo: 
The failure of facial prostheses is caused by limitations in the properties of existing materials, especially flexibility and durability. Therefore, this study evaluated the Shore A hardness of silicone used for fabrication of facial prostheses, Silastic MDX4-4210, according to the influence of storage period, daily disinfection, and 2 types of pigmentation. Thirty specimens were fabricated and divided in 3 groups: colorless, pigmented with makeup, and pigmented with iron oxide. Analysis of results was assessed on a Shore A hardness meter immediately, 6 months, and 1 year after fabrication of specimens, following the guidelines of the American Society for Testing and Materials. The hardness values were statistically analyzed by the Tukey test. The silicone exhibited an increase in hardness with time. However, the hardness was stable from 6 months to 1 year. It was concluded that the silicone is within the values of Shore A hardness reported in the literature, regardless of the storage period, pigmentation, and chemical disinfection.
Data de publicação: 
1-Mar-2010
Citação: 
Journal of Craniofacial Surgery. Philadelphia: Lippincott Williams & Wilkins, v. 21, n. 2, p. 323-327, 2010.
Duração: 
323-327
Publicador: 
Lippincott Williams & Wilkins
Palavras-chaves: 
  • Maxillofacial prosthesis
  • silicones
  • disinfection
  • hardness
Fonte: 
http://dx.doi.org/10.1097/SCS.0b013e3181cf5fa4
Endereço permanente: 
Direitos de acesso: 
Acesso restrito
Tipo: 
outro
Fonte completa:
http://repositorio.unesp.br/handle/11449/15346
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