In extensive cavities usually calcium hydroxide cements are used in order to protect the pulp. These materials can present a reduction in the radiopacity due solubility resulting from contact with oral fluids. This study investigated the radiopacity of calcium hydroxide cements stored in distilled water at 37o C. with the aim to verify the alteration of radiographic density in functio... https://hollandscountryclothinges.shop/product-category/cotton-socks/