| Trial name or title |
Removable versus fixed orthodontic retention: a prospective randomised controlled trial |
| Methods |
30 participants having successfully completed a course of upper and lower fixed appliance therapy invited to participate in the study. Each participant randomly allocated to either upper and lower labial segment bonded retainers (17 participants) or upper and lower vacuum‐formed retainers (13 participants) using standardised clinical procedures, and materials. 2 calibrated operators were responsible for placing each retainer and managing subsequent participant recall |
| Participants |
Consecutive orthodontic patients at 3 hospital orthodontic departments in the UK having completed a course of fixed appliance therapy, using clearly defined inclusion and exclusion criteria |
| Interventions |
Upper and lower vacuum‐formed retainers or upper and lower bonded retainers |
| Outcomes |
Relapse, failure of retainers, periodontal and dental health outcomes, patient satisfaction and cost‐effectiveness |
| Starting date |
2011 |
| Contact information |
simonjlittlewood@aol.com |
| Notes |
Ongoing trial |
