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Type: Artigo de evento
Title: Comparative Histologic Study Of Alterations In Rat Skeletal Muscles Due To Carbon Dioxide Laser With Varying Power But Constant Energy
Author: Nicola E.M.D.
Coutinho A.A.
Metze K.
Nicola J.H.
Abstract: The aim of our study was to compare biologic effects such as tissue damage and regeneration in rat skeletal muscle after CO 2 laser application with pulses of constant energy density, but with varying power and exposure time. We used three different laser conditions: 20 W × 0.5s, 10 W × 1.0s and 5.0 W × 2.0s, all having the same energy density (10 joules in a constant area). The animals were sacrificed immediately after laser application, and after 1, 4, 7, 15 and 21 days. Tissue damage produced by, the CO 2 laser with high power provokes more profound craters with less tissue damage at the margins, as shown by lesser tissue carbonization, fewer foreign body giant cell granulomas and less tissue fibrosis and, on the other hand, an accelerated regeneration of muscle tissue.
Citation: Proceedings Of Spie - The International Society For Optical Engineering. , v. 3195, n. , p. 306 - 313, 1997.
Rights: aberto
Identifier DOI: 10.1117/12.297890
Date Issue: 1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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