TY - BOOK AU - Ahmad Mortada Maram AU - Amr Emad Eldakroury , AU - Manal Yehia Foda , TI - Prevalence of posterior crossbite in Egyptian adolescent population : : An epidemiological study / PY - 2012/// CY - Cairo : PB - Ahmad Mortada Maram , KW - Egyptians KW - Posterior cross bite KW - Prevalence N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Orthodontics; Issued also as CD N2 - Cross bite is one of the most challenging malocclusions that we face in the field of orthodontics . Posterior crossbite occurs as a result of lack of co- ordination in the lateral dimension between the upper and the lower arches . Objectives : The current study was designed to investigate the prevalence of posterior crossbite in a sample of Egyptian adolescent population UR - http://172.23.153.220/th.pdf ER -