Document Type : Original Article
Authors
1 Professor of Periodontology; Faculty of Dentistry, King Abdulaziz University (K.S.A). Kingdum of Saudia Arebia. Professor Of Periodontology; Faculty of Dentistry, Mansoura University. Egypt
2 Consultant of Periodontology; Dental Center Ohod Hospital, El-Madina El Monawarah. Kingdum of Saudia Arebia.
Abstract