Faculty Dean Prof. Dr. Yasser Fathy Hussein,

Vice-Deans,

General Director of the hospital,

Academic Staff,

And employees are pleased to

Congratulate

Dr. Ahmed Fathy Amir Abd El Hamid as he discusses his Master's thesis which

Entitled

Post-Gel Polymerization Shrinkage Strain and Gap Formation of Pre-Warmed Thermo-viscous and Matrix-Modified Bulk-Fill Resin Composite