Congratulations to Dr. Gehad Badr Sayed Mahmoud

Faculty Dean Prof. Dr. Yasser Fathy Hussein,

Vice-Deans,

General Director of the hospital,

Academic Staff

and employees, are pleased to

Congratulate

Dr. Gehad Badr Sayed Mahmoud as she discusses her Master thesis which

Entitled

The Effect of Resin Composite Preheating on the Degree of Conversion of Bis-GMA Free and Containing Resin Composite Restorative Materials