<p><strong>Background and aims. </strong> Retreatment of existing restorations not only requires a lot of money and time but also there is a danger of weakening tooth structure and irritating the pulp. Since awareness of the reasons for the retreatment of teeth will save the teeth from possible future failure. the aim of this study was to assess the reasons for retre... https://parisnaturalfoodes.shop/product-category/earache-relief/