Faculty Dean Prof. Dr. Yasser Fathy Hussein,

Vice-Deans,

General Director of the hospital,

Academic Staff

and employees, are pleased to

Congratulate

Dr. Mohamed Mamdouh Abd El-Moty Mahmoud as he discusses his PhD dissertation which

Entitled

ASSESSMENT THE EFFECT OF COLORING TECHNIQUE ON SURFACE ROUGHNESS & SURFACE HARDNESS OF MONOLITHIC ZIRCONIA BLOCKS

Wishing you all the best