Belal Mohamed Matar <br/><br/>
Three dimensional evaluation of dentoalveolar and skeletal changes produced by lip bumper in growing /  
 تقييم ثلاثى الأبعاد للتغيرات السنية السنخية والهيكلية الناتجة عن جهاز صادم الشفة فى مرضى فى طور النمو 
Belal Mohamed Matar ; Supervised Faten Hussein Kamel Eid , Amr Mohamed Abouelezz 
 - Cairo :   Belal Mohamed Matar ,   2012 
 - 91Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of  Orthodontics 
<br/><br/> According to the literature , the use of lip bumper results in the relief of dental crowding . Th mechanism underlying this process in unclear . Studying the treatment effects of LB three dimensionally may shade some light into the decrowding cascade . Twenty female patients in the late mixed dentition stage with mild to moderate crowding in the mandibular arch were randomly assigned for either treatment or control group 
<br/><br/>
<br/><br/><label>Subjects--Index Terms: </label>Expansion  Mandibular Orthodontic