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International Journal of Morphology

On-line version ISSN 0717-9502


AVILA, R. E et al. Biological Effects Produced by Intense Pulsed Light (Xe-Cl) on the Cartilage of the Tongue Chick Embryo Using Various Filters. Int. J. Morphol. [online]. 2009, vol.27, n.4, pp.1003-1008. ISSN 0717-9502.

The Laser used correctly in the medical practice offers clear advantages compared with traditional therapies. The improvement and even the elimination of many significant skin lesions can be achieved with reduced risks to patients. However, it is important to keep security measures and understand the possible effects on an experimental model. The chick embryo is a good model to evaluate the direct effects of non-ionizing radiation for its easy handling and availability. The purpose of this communication is to show our histological findings in organs of the chick embryo with and without protective barrier to be subjected to radiation excimer. We used the following issuers: intense pulsed light (excimer Xe-Cl laser of 308 nm wavelength). It was irradiated embryos through an open window on eggshells. Aseptically the eggs were kept for 24 hours in an incubator. The protective barriers were used with and without colored glass, latex, cellophane, paper, polycarbonate of different colors and thicknesses. The most outstanding results, with no barrier and barriers with transparent and green were intense marked congestion in capillaries, edema and focus the necrosis. We concluded that the tissue changes observed are consistent with possible side effects of these radiations fototérmicos we warned about possible side effects when they are applied indiscriminately. We believe it is important to explore different means to safeguard the safety of operators and patients.

Keywords : Biological effects; Intense pulsed light (Xe-Cl); Cartilage; Tongue; Chick embryo.

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