Supervisor : Zoba Hassan Ali, Mohamed Ahmed Zayed, Tasneem Mostafa Abdel Mageed. Includes Arabic Summary. Cataloging from PDF file.Etefy, Aya Amr Abdelhady,2026-04-262026-04-262026.EG-CaMIUDNT Ths956 M.Sc. 2026https://iorep.miuegypt.edu.eg/handle/20.500.13071/362DISSERTATION NOTE-Degree type M.Sc.DISSERTATION NOTE-Name of granting institution Misr International University, Faculty of Oral and Dental MedicineIncludes bibliographic references.180 pages : illustrations, photo ; 29 cmTeeth Mouth