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Comparative assessment of plaque removal and motivation between a manual toothbrush and an interactive power toothbrush in adolescents with fixed orthodontic appliances: A single-center, examiner-blind randomized controlled trial.

Erbe, Christina; Klees, Violetta; Braunbeck, Fabienne; Ferrari-Peron, Priscila; Ccahuana-Vasquez, Renzo A; Timm, Hans; Grender, Julie; Cunningham, Pamela; Adam, Ralf; Wehrbein, Heinrich.
Am J Orthod Dentofacial Orthop; 155(4): 462-472, 2019 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-30935601


The objective of this 2-arm parallel trial was to determine the plaque removal efficacy (main outcome) and the motivation assessment (secondary outcome) comparing a manual versus an interactive power toothbrush in orthodontic patients.


Sixty adolescents with fixed orthodontic appliances in both arches were randomized in a 11 ratio in this parallel, randomized, examiner-blind controlled clinical trial. Eligibility criteria included at least 16 natural teeth, 1-6 "focus care areas," plaque score of ≥1.75, no severe caries, gingivitis and periodontitis, no dental prophylaxis, no smoking, no antibiotics, and no chlorhexidine mouth rinse. Subjects were to brush unsupervised with either an interactive power toothbrush (Oral-B Professional Care 6000, D36/EB20) with Bluetooth technology or a regular manual toothbrush (Oral-B Indicator 35 soft). Focus care areas were each brushed for 10 additional seconds. Plaque removal was assessed with the use of the Turesky Modification of the Quigley-Hein Plaque Index (TMQHPI) to determine change from baseline at 2 and 6 weeks. Supervised brushing at screening and post-treatment visits recorded actual brushing times. Subject-reported motivational aspects were recorded at screening and week 6.


Fifty-nine subjects aged 13-17 years completed the study. The interactive power toothbrush provided significantly (P <0.001) greater plaque reduction versus the manual toothbrush at 2 and 6 weeks according to the whole-mouth TMQHPI. The treatment difference in adjusted mean plaque change from baseline was 0.777 (95% CI 0.614-0.940) at week 2 and 0.834 (0.686-0.981) at week 6. Mean reductions in the number of focus care areas were also significantly greater (P <0.001) in the power brush group at weeks 2 and 6. Brushing times increased significantly at weeks 2 and 6 (P ≤0.013) versus baseline in the interactive power brush group only. Subject-reported motivation was significantly increased in the interactive power brush group at week 6 versus screening (P ≤0.005).


An interactive power toothbrush generated increased brushing times and significantly greater plaque removal versus a manual brush.
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