The British Orthodontic Society created a clear document explaining the roles of both the Orthodontic Specialist and Therapist within the team.

• Role and responsibilities of the supervising dentist 
• Role and responsibilities of the orthodontic therapist
• Safe supervision Appropriate supervision 
• Prescribing at different stages of orthodontic treatment
• Orthodontic emergencies

https://www.bos.org.uk/Portals/0/Public/docs/General%20Guidance/GuidelinesonSupervisionofOrthodonticTherapistsApril2017.pdf

GuidelinesonSupervisionofOrthodonticTherapistsApril2017