TY - BOOK AU - Abd Elsalam,Reham Mohamed AU - El dakroury,Amr E. AU - Abdel Aziz,Hoda M. AU - Salama,Ahmed S. TI - Evaluation of the sabbagh universal spring in the treatment of preadolescent patients with class II division 1 malocclusion U1 - 617.643 22 PY - 2008/// KW - Orthodontics N1 - supervisor : Amr E. El dakroury, Hoda M. Abdel Aziz, Ahmed S. Salama; Thesis (M. Sc.)-Cairo University, Faculty of Oral and Dental Medicine, 2008; Includes bibliographical references ER -