Suez Canal University Council in its recent scientific approved on cooperation between the Faculty of Dentistry, Suez Canal University, Faculty of Dentistry, University of Leeds, UK, and in the preparation of scientific research new Suez Canal University users material new invention of the University of Leeds to build membranes of macrophages to the teeth, and in accordance with the terms of cooperation between faculties and samples will be transferred to the University of Leeds to conduct the necessary research to supplement the study, also hosts the University of Leeds Dr. Ghada Abdel Aziz, teacher, Department of oral Pathology laboratory to terminate the study and training on modern techniques.