The efficacy of powered toothbrushes: A systematic review and network meta-analysis
Tim M J A Thomassen, Fridus G A Van der Weijden, Dagmar E Slot, Tim M J A Thomassen, Fridus G A Van der Weijden, Dagmar E Slot
Abstract
Aim: This systematic review and network meta-analysis synthesizes the available clinical evidence concerning efficacy with respect to plaque scores following a brushing action with oscillating-rotating (OR) or high-frequency sonic (HFS) powered toothbrushes (PTB) compared with a manual toothbrush (MTB) as control.
Material and methods: Databases were searched up to 1 August 2021, for clinical trials that evaluated the efficacy of a PTB with OR or HFS technology compared with an MTB on plaque removal after a single-brushing action and conducted with healthy adult patients. Meta-analysis (MA) and a network meta-analysis (NMA) were performed.
Results: Twenty-eight eligible publications, including 56 relevant comparisons, were retrieved. The overall NMA results for the mean post-brushing score showed a statistically significant difference for the comparison between an OR PTB and an MTB (SMD = -0.43; 95% CI [-0.696;-0.171]). The change in plaque score data showed a significant effect of a PTB over an MTB and OR over HFS. Based on ranking, the OR PTB was highest, followed by the HFS PTB and the MTB.
Conclusion: Within the limitations of the present study design, based on the outcome following a single-brushing action, it can be concluded that for dental plaque removal, there is a high certainty for a small effect of a PTB over an MTB. This supports the recommendation to use a powered toothbrush for daily plaque removal. There is moderate certainty for a very small benefit for the use of a powered toothbrush with an OR over an HFS mode of action.
Keywords: electric; manual; network meta-analysis; plaque; powered; single brushing; systematic review; toothbrush.
Conflict of interest statement
The authors declare that they have no conflicts of interest.
© 2021 The Authors. International Journal of Dental Hygiene published by John Wiley & Sons Ltd.
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