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Alessandra Schleder da Rosa, Aline Ferreira dos Santos, Márcia Maria da Silva, Gilberto Gonsalves Facco, Daniel Martins Perreira, Ana Carolina Araruna Alves, Ernesto Cesar Pinto Leal Junior and Paulo de Tarso Camillo de Carvalho Effects of Low-level Laser Therapy at Wavelengths of 660 and 808 nm in Experimental Model of Osteoarthritis Photochemistry and Photobiology 88

Version of Record online: 16 DEC 2011 | DOI: 10.1111/j.1751-1097.2011.01032.x

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The aim of the present study was to analyze the influence of low-level laser radiation at wavelengths of 660 and 808 nm in an experimental model of osteoarthritis. For the induction of cartilage injury, three injections of 4% papain and 10 μL of a cysteine solution were performed, treated with InGaAlP (output power of 100 mW and wavelength [λ] of 660 nm) and also AsGaAl (output power of 100 mW and λ of 808 nm) with energy of 4 J. In conclusion, laser therapy, especially at a wavelength of 808 nm, stimulated angiogenesis and reduced the formation of fibrosis in an experimental model of osteoarthritis.

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