Suoervisor : Nesrin Ahmed El-mahrouky, Yasser Mohamed Shawky, Mohamed Abd El-Ham ied Abd El-Dayem. Includes Ararbic Summary.Nasr, Dina Mourad Mahmoud Abdulhamid,2025-07-092025-07-092025.EG-CaMIUDNT Ths836 M.Sc. 2025https://iorep.miuegypt.edu.eg/handle/20.500.13071/322DISSERTATION NOTE-Degree type M.Sc.DISSERTATION NOTE-Name of granting institution Misr International University, Faculty of Oral and Dental MedicineIncludes bibliographic references.125 pages : illustrations, photo ; 29 cmRemovable ProsthodonticsRetention of Ti Si Snap versus locator attachments in two-Implant retained mandibular overdentures : An in vitro study /الإستبقاء في وصلات ال Tisi مقارنة مع ال Locator في الأطقم السفلية المرفوعة بغرستين : دراسة معملية