Use este identificador para citar ou linkar para este item: https://repositorio.ufba.br/handle/ri/13455
Tipo: Artigo de Periódico
Título: Raman spectroscopy validation of DIAGNOdent-assisted fluorescence readings on tibial fractures treated with laser phototherapy, BMPs, guided bone regeneration, and miniplates
Título(s) alternativo(s): Photomedicine and Laser Surgery
Autor(es): Pinheiro, Antonio Luiz Barbosa
Lopes, Cibelle Barbosa
Pacheco, Marcos Tadeu Tavares
Brugnera Júnior, Aldo
Zanin, Fátima Antonia Aparecida
Cangussu, Maria Cristina Teixeira
Silveira Junior, Landulfo
Autor(es): Pinheiro, Antonio Luiz Barbosa
Lopes, Cibelle Barbosa
Pacheco, Marcos Tadeu Tavares
Brugnera Júnior, Aldo
Zanin, Fátima Antonia Aparecida
Cangussu, Maria Cristina Teixeira
Silveira Junior, Landulfo
Abstract: Objectives: We aimed to assess through Raman spectroscopy and fluorescence the levels of calcium hydroxyapatite (CHA) and lipids and proteins in complete fractures treated with internal rigid fixation (IRF) treated or not with laser phototherapy (LPT) and associated or not with bone morphogenetic proteins (BMPs) and guided bone regeneration (GBR). Background: Fractures have different etiologies and treatments and may be associated with bone losses. LPT has been shown to improve bone healing. Methods: Tibial fractures were created on 15 animals and divided into five groups. LPT started immediately after surgery, repeated at 48-h intervals. Animal death occurred after 30 days. Results: Raman spectroscopy and fluorescence were performed at the surface. Fluorescence data of group IRF + LPT + Biomaterial showed similar readings to those of the group IRF-no bone loss. Significant differences were seen between groups IRF + LPT + Biomaterial and IRF + LPT; IRF + LPT + Biomaterial; and IRF + Biomaterial; and between IRF + LPT + Biomaterial and IRF. CH groups of lipids and proteins readings showed decreased levels of organic components in subjects treated with the association of LPT, biomaterial, and GBR. Pearson correlation showed that fluorescence readings of both CHA and CH groups of lipids and proteins correlated negatively with the Raman data. Conclusions: The use of both methods indicates that the use of the biomaterials associated with infrared LPT resulted in a more-advanced and higher quality of bone repair in fractures treated with miniplates and that the DIAGNOdent may be used to perform optical biopsy on bone.
Tipo de Acesso: Acesso Aberto
URI: http://repositorio.ufba.br/ri/handle/ri/13455
Data do documento: 2010
Aparece nas coleções:Artigo Publicado em Periódico (Faculdade de Odontologia)

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