Laser bioengineering of glass-titanium implants surface

F. Lusquiños; F. Arias-González; J. Penide; J. del Val; R. Comesaña; F. Quintero; A. Riveiro; M. Boutinguiza; M. J. Pascual; A. Durán; J. Pou

doi:10.1117/12.2026115

18 November 2013 Laser bioengineering of glass-titanium implants surface

F. Lusquiños, F. Arias-González, J. Penide, J. del Val, R. Comesaña, F. Quintero, A. Riveiro, M. Boutinguiza, M. J. Pascual, A. Durán, J. Pou

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Proceedings Volume 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications; 8785E3 (2013) https://doi.org/10.1117/12.2026115
Event: 8th Ibero American Optics Meeting/11th Latin American Meeting on Optics, Lasers, and Applications, 2013, Porto, Portugal

Abstract

Osseointegration is the mean challenge when surgical treatments fight against load-bearing bone diseases. Absolute bone replacement by a synthetic implant has to be completed not only from the mechanics point of view, but also from a biological approach. Suitable strength, resilience and stress distribution of titanium alloy implants are spoiled by the lack of optimal biological characteristics. The inert quality of extra low interstitial titanium alloy, which make it the most attractive metallic alloy for biomedical applications, oppose to an ideal surface with bone cell affinity, and capable to stimulate bone attachment bone growth. Diverse laser treatments have been proven as effective tools to modify surface properties, such as wettability in contact to physiological fluids, or osteoblast guided and slightly enhanced attachment. The laser surface cladding can go beyond by providing titanium alloy surfaces with osteoconduction and osteoinduction properties. In this research work, the laser radiation is used to produce bioactive glass coatings on Ti6Al4V alloy substrates. Specific silicate bioactive glass compositions has been investigated to achieve suitable surface tension and viscosity temperature behavior during processing, and to provide with the required release of bone growth gene up regulation agents in the course of resorption mediated by physiological fluids. The produced coatings and interfaces, the surface osteoconduction properties, and the chemical species release in simulated physiological fluid were characterized by scanning electron microscopy (SEM), hot stage microscopy (HSM), X-ray diffraction (XRD), X ray fluorescence (XRF), and Fourier transform infrared spectroscopy (FTIR).

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F. Lusquiños, F. Arias-González, J. Penide, J. del Val, R. Comesaña, F. Quintero, A. Riveiro, M. Boutinguiza, M. J. Pascual, A. Durán, and J. Pou "Laser bioengineering of glass-titanium implants surface", Proc. SPIE 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications, 8785E3 (18 November 2013); https://doi.org/10.1117/12.2026115

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