TY - BOOK AU - Yasmeen Emad Nafie AU - Mohamed Khalifa Zayet , AU - Mostafa Kamal Ezz , TI - Clinical and radiographic assessment of the relationship between the deep impacted lower third molars and the inferior alveolar canal by cone beam volumetric imaging / PY - 2013/// CY - Cairo : PB - Yasmeen Emad Nafie , KW - Bimaxillary protrusion KW - Facial esthetics KW - Premolar extraction N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral Surgery; Issued also as CD N2 - Attractive facial esthetics is undoubtedly a major treatment goal of orthodontics. Patients desire esthetic improvement even when their primary goal is to improve function. The purpose of this study was to evaluate orthodontists' and laypersons' perception of varying degrees of lip retraction in a three dimensional model of bimaxillary dentoalveolar protrusion cases UR - http://172.23.153.220/th.pdf ER -