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Background An innovative hybrid toothbrush was designed functioning either in manual mode, in powered mode (sonic) or in combined mode (manual and powered). The primary aim of this study was to evaluate and compare the clinical efficacy of this first hybrid toothbrush ( Elgydium Clinic/Inava Hybrid ) used in combined mode to a marketed oscillating-rotating powered toothbrush ( Oral-B Vitality ) in the reduction of dental plaque after a single use. The secondary aims were to evaluate the tolerance and acceptability of each device. Methods It was a randomized, examiner-blind, single-center study performed on two parallel groups: hybrid toothbrush ( n  = 33) versus oscillating-rotating toothbrush (n = 33). A brushing exercise was conducted for two minutes on subjects presenting a “Silness and Löe Plaque Index” (PI) between 1.0 and 2.0 and a “Modified Gingival Index” between 1.0 and 2.0. They were not to have ever used an electric toothbrush. To assess the device effect after brushing, a paired t-test was applied on the change outcome (After-Before brushing). An unpaired t-test was used to compare the efficacy of both devices. A global tolerance assessment of each powered toothbrush was done on all the subjects. The number and percentage of reactions related to each toothbrush was collected and the final tolerance assessment was estimated. Results After a single use, the hybrid toothbrush used in combined mode presented a global anti-plaque efficacy characterized by a significant decrease of the global PI of 45% on average ( p  < 0.0001; paired t-test). It was as effective as the oscillating rotating toothbrush in plaque removal ( p  > 0.05; unpaired t-test). The global tolerance of both toothbrushes was judged as “Good” and they were equally appreciated by the users. Conclusion The results of this one-time use trial demonstrate the efficacy of the hybrid toothbrush used in combined mode for plaque removal. The hybrid toothbrush design allows each user to adapt tooth brushing to his preference (manual / sonic / combined), his skills or his mouth condition. We hypothesize that such an individualized approach can favor long term compliance with oral health recommendations and improve global oral wellness. Trial Registration ISRCTN12394494 , 20/02/2018 - Retrospectively registered.

This retrospective, cross-sectional study evaluated dental records of 1000 healthy children to determine factors associated with plaque, gingivitis, and caries. A logistic model for plaque and gingivitis (mild versus moderate/severe) and caries (yes/no) was carried out separately for each variable using the following potential factors: Age, Gender, Brush Type, Starting Age of Brushing, Brushing Frequency, and Bite Type. Data from 998 children (median age: 4 years, 10 months (range: 2.5–7 years)) were analyzed. Sixty-four percent were manual toothbrush users; 36% were oscillating-rotating electric toothbrush users. For plaque and gingivitis, but not caries, Brush Type was more impactful than Brushing Frequency. Age influenced the severity of plaque and gingivitis, with increases in the odds of having moderate/severe plaque or gingivitis associated with increasing age. The probability of caries increased until approximately age 5 and then decreased until age 7. Oscillating-rotating brush users were more likely to present with less plaque, gingivitis, and caries, with 6.0, 5.1, and 1.4 times greater odds of having mild (versus moderate/severe) plaque, less severe gingivitis, and being caries-free, respectively, than manual brush users. Similarly, brushing twice daily and starting brushing at an earlier age were associated with better oral health outcomes. Children with anterior bite abnormalities had increased odds of developing moderate/severe plaque and gingivitis than children with normal anterior bites. Gender was not a statistically significant factor associated with plaque, gingivitis, or caries. Children’s oral health is influenced by toothbrush type, starting age of brushing, compliance with twice-daily brushing, and bite abnormalities.

Orthodontic treatment, especially fixed orthodontic treatment, increases the amount of plaque in the oral cavity due to the difficulty in brushing because of the presence of brackets. The aim of this systematic review was to compare different types of toothbrushes, that is, sonic, roto-oscillating, and manual, to determine the best method for removing plaque during treatment with fixed orthodontics. The review was conducted using the PubMed and Cochrane Library databases. The 2020 PRISMA guidelines were used for this study. Nine studies between 2013 and 2023 were included, two of which considered sonic toothbrushes in relation to others, and seven investigated roto-oscillating toothbrushes with other types. The aim of this study was to observe how plaque indices change based on the device used. Each study used a distinct method of instruction and follow-up. According to statistical data and plaque percentages, the best device appears to be a roto-oscillating toothbrush combined with an orthodontic brush head. However, it remains essential that patients, throughout the treatment, are motivated to have good oral hygiene at home and follow up to ensure the treatment is effective.