Effect of intervention using a messaging app on compliance and duration of treatment in orthodontic patients.

Objectives: This study aims to determine the effectiveness of a messaging app (WeChat) in improving patients' compliance and reducing the duration of orthodontic treatment (DOT).

Materials And Methods: A randomized controlled trial was performed in a dental hospital and a clinic from August 2012 to May 2015. Orthodontic patients were included at the beginning of treatment.