1. Arch wire designed for individual patients;Boone;Am J Orthod,1963
2. Long term changes in arch form after orthodontic treatment and retention;De La Cruz;Am J Orthod Dentofacial Orthop,1995
3. The fallacy of denture expansion as a treatment procedure;Strang;Angle Orthod,1949
4. A meta-analysis of mandibular inter-canine width in treatment and post retention;Burke;Angle Orthod,1997
5. The cuspid and its function in retention;McCauley;Am J Orthod,1944