Kirschen RH, O’Higgins EA, Lee RT. The Royal London Space Planning: an integration of space analysis and treatment planning: Part I: Assessing the space required to meet treatment objectives. Am J Orthod Dent Orthop 2000a;118: 448-55.
Kirschen RH, O’Higgins EA, Lee RT. The Royal London Space Planning: an integration of space analysis and treatment planning: Part II: The effect of other treatment procedures on space. Am J Orthod Dent Orthop 2000b;118: 456-61.
Abu Alhaija ES, Al-Khateeb SN, Al-Nimri KS. Prevalence of malocclusion in 13-15 year-old North Jordanian school children. Community Dent Health 2005;22:266-71.
Bishara SE, Jakobsen JR, Treder JE, Stasi MJ. Changes in the maxillary and mandibular tooth size-arch length relationship from early adolescence to early adulthood. A longitudinal study. Am J Orthod Dent Orthop 1989;95:46-59.
Little RM, Wallen TR, Riedel RA. Stability and relapse of mandibular anterior alignment-first premolar extraction cases treated by traditional edgewise orthodontics. Am J Orthod 1981;80:349-65.
Little RM, Riedel RA. An evaluation of changes in mandibular anterior alignment from 10 to 20 years postretention. Am J Orthod Dent Orthop 1988;93:423-8.
Thilander B. Dentoalveolar development in subjects with normal occlusion. A longitudinal study between the ages of 5 and 31 years. Eur J Orthod 2009;31:109-20.
Al-Abdallah M. Sandler J. O’Brien K. Is the Royal London Space Analysis reliable and does it influence orthodontic treatment decisions? Eur J Orthod 2008;30:503-7.