Supervisor : Ola Fahmy, Tamer Elhamy Shokry, Yara Sayed Attia. Includes Arabic Summary. Cataloging from PDF File.Ziady, Hassan Hany Hassan,2026-02-222026-02-222025.EG-CaMIUDNT Ths938 M.Sc. 2025https://iorep.miuegypt.edu.eg/handle/20.500.13071/356DISSERTATION NOTE-Degree type M.Sc.DISSERTATION NOTE-Name of granting institution Misr International University, Faculty of Oral and Dental MedicineIncludes bibliographic references.98 pages : illustrations, photo ; 29 cmDentistry, Operative