TV is like the internet, just cuz somebody says it, don' mean it's true.
you were issued two hands for a reason.At the same time?
https://www.independent.co.uk/news/...evidence-waste-of-time-research-a7168116.htmlBut I think more important than if you use manual or electric is if you floss. A toothbrush alone just ain't gonna do the job that flossing does.