Two positive: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3652371/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3652371/ > The subject group using the powere

Two positive: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3652371/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3652371/ > The subject group using the powered toothbrush demonstrated clinical and statistical improvement in overall plaque scores. https://onlinelibrary.wiley.com/doi/full/10.1111/jcpe.13126 https://onlinelibrary.wiley.com/doi/full/10.1111/jcpe.13126 > In the long-term, powered toothbrush seems to be effective in reducing mean PD and mean CAL progressions, besides increasing the number of teeth retained. One negative: https://www.sciencedirect.com/science/article/pii/S0020653920329932 https://www.sciencedirect.com/science/article/pii/S002065392... > The results of this study shows no evidence of statistically significant difference in respect to plaque control, between Jordan Power electric toothbrush and either of Oral-B Advantage or Panbehriz Classic manual brushes in a group of dental students after 2 weeks. I'm sure you can find many more of both