> a powered toothbrush is better simply because it does more iterations per minute than a manual one...again, common sense It wasn't obvious to me that that wo

> a powered toothbrush is better simply because it does more iterations per minute than a manual one...again, common sense It wasn't obvious to me that that would be true. Most cleaning tools aren't vibrating brushes. I was actually concerned about damaging the teeth. You are effectively putting a power tool in your mouth.