Abstract
The present study aims to compare, through the dentin microhardness and Colorimetry, the chelating effect of chitosan 0.2 % solubilized in different acids. Will be used 10 central incisors, which will have their crowns cut and discarded. The remaining root will be included in acrylic resin and the crosswise bloc will be cut in hard tissue cutting machine. The second and third sections of …