TY - BOOK AU - Shereen Adel Abdelkader Mostafa AU - Hisham A. Afifi , AU - Mouchira S. Eldin , AU - Moustafa A. Abdelrahman , TI - The effect of low intensity laser and ascorbic acid on orthodontic tooth movement during canine retraction : : Radio-Densito-Metric Study / PY - 2013/// CY - Cairo : PB - Shereen Adel Abdelkader Mostafa , KW - Canine retraction KW - Sectional mechanics KW - Sliding mechanics N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Orthodontics; Issued also as CD N2 - The current study was carried out compare the rate of tooth movement during canine retraction between sliding mechanics represented by a NiTi closed coil spring versus sectional mechanics represented by T-loop, using Cone Beam Computer Tomography (CBCT). Materials and Method: Ten patients were selected in a split mouth study design who had a malocclusion that necessitates the extraction of maxillary first premolars and retraction of maxillary canines UR - http://172.23.153.220/th.pdf ER -