Randomised clinical study of plaque removal efficacy of an electric toothbrush in primary and mixed dentition

Esti Davidovich, Renzo A Ccahuana-Vasquez, Hans Timm, Julie Grender, Avi Zini, Esti Davidovich, Renzo A Ccahuana-Vasquez, Hans Timm, Julie Grender, Avi Zini

Abstract

Background: Clinical investigations of electric toothbrushes in young children are limited.

Aim: To assess plaque reduction efficacy of an oscillating-rotating electric versus manual toothbrush in a paediatric population in primary and mixed dentitions.

Design: In this randomised, single-brushing, 2-treatment, 4-period, replicate-use crossover study, subjects were divided into 2 age groups (3-6 years; 7-9 years) and assigned to a treatment sequence involving an Oral-B Kids electric brush and a manual brush control. Plaque was assessed pre- and post-brushing (Turesky Modified Quigley-Hein Plaque Index). Parents brushed the teeth of their children aged 3-6 years, whereas children aged 7-9 years brushed their own teeth under supervision. Plaque removal scores were analysed for brush differences in each age group separately using an analysis of covariance for crossover design.

Results: Forty-one children (n = 20, 3-6 years; n = 21, 7-9 years) completed the study. For the primary dentition in children 3-6 years, the electric brush reduced 32.3% more plaque than the manual brush (P = .005). For the mixed dentition in children 7-9 years, the electric brush reduced 51.9% more plaque than the manual brush (P < .001).

Conclusions: An electric toothbrush reduced significantly more plaque than a manual toothbrush in 2 paediatric age groups.

Keywords: children; electric toothbrush; manual toothbrush; paediatric; plaque removal.

Conflict of interest statement

Dr. Ccahuana‐Vasquez, Dr. Timm, and Dr. Grender are employees of Procter & Gamble. Dr. Davidovich and Dr. Zini have received grants from Procter & Gamble.

© 2021 BSPD, IAPD and John Wiley & Sons Ltd.

Figures

Figure 1
Figure 1
Whole Mouth and Sub‐region Mean TMQHPI plaque reduction results: primary dentition in 3 to 6 year olds
Figure 2
Figure 2
Whole Mouth and Sub‐region Mean TMQHPI plaque reduction results: mixed dentition in 7 to 9 year olds

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Source: PubMed

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