Ahmed Hashim Khudhair, Department of Periodontics, College of Dentistry, University of Baghdad
Ashraf Salim Alchalabi, University of Mosul - College of Dentistry - Conservative Dentistry Department - Ninawa Governorate – Iraq.
Duaa Kamal Naji
Ghufran A. Hasan
Maha Abdul Aziz Ahmed, Department of Periodontics, College of Dentistry, University of Baghdad
Mudher MB. Alsunbuli
Natheer Ayed Jassem
Zainab Juma Jafar