TY  - BOOK
AU  - Ahmed Hisham Afifi
AU  - Fatma Abdou , 
AU  - Nagwa Helmy Elmangoury , 
TI  - 3D evaluation of canine retraction using self-ligating versus straight arch wire brackets / 
PY  - 2012///
CY  - Cairo : 
PB  - Ahmed Hisham Afifi , 
KW  - Canine retraction
KW  - Cone beam computed tomography
KW  - Selfigating
N1  - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Orthodontics; Issued also as CD
N2  - Extraction is one of the most commonly used orthodontic tools in the treatment of many orthodontic problems such as; relief of anterior crowding, reduction of dento-alveolar protrusion, improving facial esthetics and correction of dental arch mal-relationships by dental camouflage. The first premolar extraction followed by distal canine retraction is considered the most frequently used tactics to solve the previously mentioned orthodontic problems
UR  - http://172.23.153.220/th.pdf
ER  -