1. The edgewise appliance;Lindquist,1985
2. Biomechanics and mechanics;Proffit,2000
3. Biomechanical basis of extraction space closure;Nanda,1996
4. Glossary of orthodontic terms;Daskalogiannakis,2000
5. Anchorage loss—a multifactorial response;Geron;Angle Orthod,2003