Lobna Khaled Tawfik <br/><br/>
An evaluation of en-masse retraction of maxillary anterior teeth using corticotomy facilitated orthodontics and mini-screws /  
 تقييم سحب الأسنان الأمامية العلوية كتلة واحدة للخلف باستخدام التقويم الميسر بتحزيز القشرة و البراغى الصغيرة  
Lobna Khaled Tawfik ; Supervised Khaled Hazem Attia , Ahmed Heider 
 - Cairo :   Lobna Khaled Tawfik ,   2013 
 - 116 Leaves :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Orthodontics 
<br/><br/> The aim of this study was to evaluate en-masse retraction of the maxillary anterior segment using corticotomy facilitated orthodontics and mini-screws. The study was carried out on 10 randomly selected adult female patients, with a mean age of 20 yrs. The sample was randomly selected from the outpatient clinic - orthodontic department at Faculty of Oral and Dental Medicine, Cairo University. The patients showed Class II division 1 malocclusion. Patients were treated by corticotomy facilitated en-masse retraction  
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<br/><br/><label>Subjects--Index Terms: </label>Addition silicone  Agar agar   Duplicating materials