The aim of this study was to assess qualitatively. by means of SEM images. the cleaning of the dentin walls of root canals after chemical-surgical preparation using Endo-PTC cream with 0. 5% and 1% sodium hypochlorite and different final irrigating solutions. https://www.roneverhart.com/HP-Pavilion-15-eg2373cl-15-6-FHD-Touch-Laptop-Intel-Core-i7-1255U-3-50-GHz-GeForce-MX550-16GB-DDR4-512GB-SSD-Windows--p8309/