Summary Review/Orthodontics

Reminder systems during orthodontic treatment

Question: Are reminder systems effective in improving oral hygiene (OH) and adherence to appointments in orthodontic patients?

Abstract

Data sources

Cochrane Central Register of Controlled Trials (CENTRAL), LILACS, Scopus, Web of Science, Medline and Embase.

Study selection

Human randomised controlled trials evaluating the effectiveness of reminders in orthodontics were included. Interventions including any form of participant reminder compared to a control. There were no limitations in terms of publication year, language or status. Primary outcomes measured were periodontal parameters and rate of attendance. Six secondary outcomes were also measured.

Data extraction and synthesis

Study selection and data extraction were carried out independently by two reviewers, with a third reviewer utilised to resolve disagreements. Authors were also contacted if any further clarification was required with regards to missing data. Risk of bias was assessed using the Cochrane tool. Comparable outcomes were collated and analysed using a random-effects model, with corresponding 95% confidence intervals.

Results

Fourteen parallel randomised controlled trials met the inclusion criteria. Only nine contributed to the meta-analyses, as five were deemed high risk of bias. Of the trials, ten RCTs, six RCTs, five RCTs and four RCTs measured plaque scores, gingival scores, rate of appointment attendance, and the effectiveness of reminder on the development of white spot lesions (WSLs) respectively. Results were grouped into either short term (1-3 months) or long term (>3 months) outcomes. In the short term, gingival condition was healthier in the reminders group (SMD = −0.66 with 95% CI: −0.97 – 0.35) and a statistically significant difference favouring patients receiving reminders was also seen in terms of plaque control (SMD = −0.38 with 95% CI: −0.65 to −0.10). In the long term, similar outcomes were recorded, with a statistically significant SMD for plaque scores and gingival scores when reminders were used (SMD −1.51 with 95% CI: −2.72 to −0.30 and SMD −1.94 with 95% CI: −3.81 to −0.07 respectively). Development of WSLs and risk of failure/cancellation were also lower in the reminder group.

Conclusions

This systematic review highlights that there is moderate to high quality evidence showing the positive effect of reminders on oral hygiene and appointment adherence in orthodontic patients. The authors suggest further high quality RCTs with longer follow-ups would be beneficial to support the efficacy of this intervention.

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Author information

Affiliations

Authors

Additional information

Address for correspondence: Hisham Mohammed, Edinburgh Dental Institute, Lauriston Building, Lauriston Pl, Edinburgh EH3 9HA, UK. E-mail: Hishamyasser@hotmail.com

Mohammed H, Rizk MZ, Wafaie K, Ulhaq A, Almuzian M. Reminders improve oral hygiene and adherence to appointments in orthodontic patients: a systematic review and meta-analysis. Eur J Orthod 2018; doi:10.1093/ejo/cjy045

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Jones, G., Goldsmith, R. & O'Donnell, K. Reminder systems during orthodontic treatment. Evid Based Dent 19, 109–110 (2018). https://doi.org/10.1038/sj.ebd.6401342

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