Supervisor : Reem Ahmed Lutfy Abdel Rahman, Ahmed Hussein Abu El-Ezz. Includes Arabic Summary.Aboudoura, Moustafa Mohamed Samy Moustafa,2024-08-042024-08-042024.EG-CaMIUDNT Ths727 M.Sc. 2024https://iorep.miuegypt.edu.eg/handle/20.500.13071/265DISSERTATION NOTE-Degree type M.Sc.DISSERTATION NOTE-Name of granting institution Misr International University, Faculty of Oral and Dental MedicineIncludes bibliographic references.illustrations, photo ; 29 cm150 pagesEndodonticsThe effect of silver nano-irrigant and erbium chromium: YSGG laser on the smear layer removal and microhardness of root canal dentine : in-vitro study /تأثر غسول الفضة النانونية وليزر الإربيوم كروم : YSGG على إزالة طبقة اللطاخة وصلابة عاج قنوات الجذور : دراسة في المختبر