Professor Ahmed Muhammad Hamdan from the College of Dentistry at the University of Jordan in Amman participated as an external examiner in the defense of the master’s thesis by postgraduate student Ahmed Kamel from the College of Dentistry at the University of Baghdad, specializing in Orthodontics.
Dr. Ahmed Muhammad Hamdan provided his valuable comments via the Zoom platform regarding the thesis titled “Antimicrobial Effect of Zinc Oxide Nanoparticles Coated on Orthodontic Brackets: A Randomized Clinical Trial.”
The defense committee comprised a distinguished group of professors:
– Prof. Ali Ismail Ibrahim (Chairman)
– Prof. Ahmed Muhammad Hamdan (Member)
– Prof. Zainab Abdul Jabbar Athab (Member)
– Prof. Diaa Hussein Abdul Aoun (Supervisor)
Dr. Ahmed Muhammad Hamdan praised the student’s efforts and the quality of the research, offering scientific observations that contribute to enhancing and developing the thesis.
At the conclusion of the discussion, the committee chair and members thanked Professor Ahmed Muhammad Hamdan for his valuable participation and academic cooperation, which strengthens collaboration among Arab universities. They also commended the quality of the thesis and the importance of the topic presented in the field of orthodontics. 
