TY - BOOK AU - Aya Ehab Elkattan AU - Ahmed Abdelsalam Eid , AU - Mohamed Aboelyazeed , AU - Wagih Abdelkader Kadry , TI - Modified twin block appliance for class {u2161} divison 1 treatment in mixed dentition / PY - 2012/// CY - Cairo : PB - Aya Ehab Elkattan , KW - Mixed dentition KW - Modified twin block appliance KW - Orthodontics N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Orthodontics; Issued also as CD N2 - Functional appliances played a great role in the correction of skeletal class {u2161} division 1 malocclusion. The role of functional appliances in treatment of mandibular deficiencies have been still controversial despite their early introduction in this century. A newly designed device Modified Twin Block was introduced in this study aiming to overcome some of the drawbacks of the traditional appliances used UR - http://172.23.153.220/th.pdf ER -