1. Chief Dental Officer team. Guides for commissioning dental specialities: orthodontics. London: NHS England, 2015. Available at https://www.england.nhs.uk/commissioning/wp-content/uploads/sites/12/2015/09/guid-comms-orthodontics.pdf (accessed May 2019).
2. Chief Dental Officer team. Introductory Guide for Commissioning Dental Specialties. London: NHS England, 2015. Available at https://www.england.nhs.uk/commissioning/wp-content/uploads/sites/12/2015/09/intro-guide-comms-dent-specl.pdf (accessed May 2019).
3. The Speciality Advisory Committee in Orthodontics. Curriculum and Specialist Training Programme in Orthodontics. London: General Dental Council, 2010. Available at https://www.gdc-uk.org/api/files/OrthodonticCurriculum.pdf (accessed May 2019).
4. Yorkshire and Humber Dental Public Health. Orthodontic Needs Assessment. Leeds: Public Health England. 2016.