Supervisor : Ashraf Samir Refai, Ahmed Ghobashy. Includes Arabic Summary.Mohamed, Moustafa Mohamed Nashat,2026-04-262026-04-262026.EG-CaMIUDNT Ths950 M.Sc. 2026https://iorep.miuegypt.edu.eg/handle/20.500.13071/360DISSERTATION NOTE-Degree type M.Sc.DISSERTATION NOTE-Name of granting institution Misr International University, Faculty of Oral and Dental MedicineIncludes bibliographic references.116 pages : illustrations, photo ; 29 cmEndodonticsEfficiency of different tapers of rotary files & complementary cleaning method in the removal of Bio-ceramic based obturation : (In vitro study) /فاعلية الاستدقاقات المختلفة للمبارد الدوارة مع طريقة تنظيف تكميلية في إزالة السداد الخزف الحيوي (دراسة معملية)