Supervisor : Abeer Hashem Mahran, Ahmed Adel Ibrahim Khalaf. Includes Arabic Summary.Salman, Eman Sayed Ibrahim,2025-11-092025-11-092025.EG-CaMIUDNT Ths884 M.Sc. 2025https://iorep.miuegypt.edu.eg/handle/20.500.13071/340DISSERTATION NOTE-Degree type M.Sc.DISSERTATION NOTE-Name of granting institution Misr International University, Faculty of Oral and Dental MedicineIncludes bibliographic references.131 pages : illustrations, photo ; 29 cmEndodonticsEffect of blood contamination and change in pH on bioactivity of two different bioceramic materials : (An in-vitro study) /تأثير تلوث الدم وتغيير الرقم الهيدروجيني على النشاط الحيوي لمادتين مختلفتين من السيراميك الحيوي : (دراسة معملية)