Supervisor : Salma Al-Ashry, Nihal Sabet, Ahmed Khalaf. Includes Arabic Summary.Zakhary, Marina Hesham Fawzy,2024-12-052024-12-052024.EG-CaMIUDNT Ths777 M.Sc. 2024https://iorep.miuegypt.edu.eg/handle/20.500.13071/301DISSERTATION NOTE-Degree type M.Sc.DISSERTATION NOTE-Name of granting institution Misr International University, Faculty of Oral and Dental MedicineIncludes bibliographic references126 pages : illustrations, photo ; 29 cmEndodonticsEffect of contracted access cavity preparation on procedural errors in curved root canals in molars : An in-vitro study /تأثير تجويف الوصول المصغر على الخطاء الإجرائية في الأضراس ذات القنوات المنحنية : دراسة معملية