Introduction: Restorative resins during their prolonged use are exposed to variety foods and beverages are subjected to wear. degradation. and staining resulting in failure of restoration and require replacement. This study is aimed to evaluate surface roughness and hardness of five commercially available posterior resin composites following exposure to various food-simulating liquids... https://www.ngetikin.com/mega-super-Men-s-Green-Beer-Button-Down-Shirt-great-price/