Faculty Dean Prof. Dr. Yasser Fathy Hussein,

Vice-Deans,

General Director of the hospital,

Academic Staff,

And employees are pleased to

Congratulate

Dr. Haitham Bakry Sayed as he discusses his Master's thesis which

Entitled

Retention Evaluation of Two CAD-CAM Milled Removable Partial Frameworks (PEEK vs PEKK) Against zircon Crowns in Mandibular Kennedy Class I Cases: An In-Vitro Study