[Histologic study of the effect of the CO2 laser and the cicatrization of the tongue in the rat]

In the present paper we analyze the effect of CO2 laser in the mouse tongue, in relation with the intensity and exposition time. We study the histology of the lesions and their healing. We show that with 15 w of intensity the effect is bigger tan supposed affecting nearly to the hole tongue. This experience make us to conclude that there is the possibility of harming the perichondrium and cartilage when using the laser in the laryngeal mucosa.