Objective: To evaluate the influence of the cleaning of the cavity with aluminum oxide and pumice on the marginal microfiltration when using ionomeric materials (IV). Materials and Methods: In 40 human premolar teeth. cavities were prepared at the level of the cemetery amelo. the teeth were randomly divided into 4 groups (n: 10) received cleaning and restoration procedures according t... https://foldlyers.shop/product-category/scrs/