1. Edgewise orthodontics;Thurow,1982
2. Physiologic drift;Creekmore;J Clin Orthod,1975
3. Cant of the occlusal plane and axial inclination of teeth;Schudy;Angle Orthod,1963
4. The importance of interbracket width in orthodontic tooth movement;Creekmore;J Clin Orthod,1976