Dr. Arafa M. Khatab is an assistant professor, of pediatric dentistry and I am one of the university staff since 1993. now I am working as a consultant dentist at Saada Hospital in Oman. I worked before as an assistant professor in the Kingdom of Saudi Arabia and as a consultant in Kuwait and KSA. I have also fellowship in orthodontics from the American Society of Orthodontics since 2012. I am interested in early management of the orthodontic problem and stem cell research for the upgrading of dental since also the new biological materials for pulp treatment in children in replacement of the chemical ones. I have much research in the field of pulp treatment and modification of formocresol pulpotomy which proved to have some hazards to the health of children.