الفهرس | Only 14 pages are availabe for public view |
Abstract Thanks to Allah the most gracious and the most merciful for the showers of blessings throughout my research work and for giving me the strength to complete the research successfully. Prof. walid ghanem no words can explain my deepest sorry for losing my great professor in covid-19 pandemic , may his soul rest in peace. I would like to express my deepest gratitude to Prof. Amr Ali El-swify professor of Oral and Maxillofacial Surgery, Faculty of Dentistry, Suez Canal University for his encouragement, continuous support, guidance and precious knowledge throughout this research, it was a great privilege and honour to work under his guidance. Words cannot express my gratitude to Prof. Ahmed abbas zaky professor of laser applications,cairoUniversity for his constant guidance and generous support, his vision, sincerity and motivation have deeply inspired me, I am extremely grateful for what he has offered me throughout this work. I am also grateful to Dr Ahmed El Rawdy, assistant professor of Oral Radiology, Faculty of Dentistry, Suez Canal University for his valuable guidance active cooperation and useful comments in the preparation in this thesis. I would like to extended my sincere thanks to my colleagues at Oral and Maxillofacial Surgery Department for their help, friendship and support. Last but not least, I could not have undertaken this journey without my family, Iam forever grateful for their help, endless |