الفهرس 
REVIEW OF LITERATUREOnly 14 pages are availabe for public view
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Abstract
First of all, I thank Allah the Most Gracious for helping me to accomplish this research
and for providing me with such very encouraging and supportive supervisors.
The most heartfelt thanks to my role model, Prof. Dr. Ahmed El-Mahallawy, with
whom I had the honour to accomplish my research work and learned a lot from his expertise.
I would like to express my extreme appreciation and gratitude for his expert guidance,
precision, and scientific supervision of every step in this work from the beginning to the end,
together with his unforgettable, kind support and precious advice.
It’s an honour to thank Prof. Dr. Mahitab Mahmoud Soliman, for her wise continuous
guidance, generous effort in the evaluation of this work, and valuable advice. I am extremely
indebted to her great support, which was a precious gift. A word of thanks will not be enough
for her marvellous effort and unlimited support.
I am greatly indebted and grateful to Assoc. Prof. Marwa Gamaleldin, for her
continuous encouragement that kept me going on, and I will never forget her kind and lovely
help. Many thanks and appreciation for her supervision and kindness throughout the work
I would like to convey my deepest appreciation and Special thanks to Assoc. Prof.
Omneya Ahmed Gamaleldin, for her help and her effort. Many thanks for sharing your
knowledge and time.
I express my special thanks and gratitude to Dr. Mohamed Nawwar for his kind
assistance with the virtual surgical planning and designing portion of this study.
I also wish to express my great thanks and appreciation to all the staff members,
colleagues, residents and personnel of the Oral and Maxillofacial Surgery department for
their kind help and support.
A word of thanks is a must to all my patients and their parents, without whom this work
would not have been possible.
Finally, I really would like to sincerely thank everyone who helped me finish this
research.