My wife bought new toothbrush heads on her way home from work today.
They didn’t fit. She bought the “Oral B IO” heads, but we have a “regular” Oral B toothbrush, not the Shiny Fancy IO design.
And this is after she bought replacement heads last week at another store – which turned out to be “compatible for” a different brand :(
Ugh.


Never had a dentist try to sell me a toothbrush. In fact, I get given a manual one every time I leave. Which I use for cleaning around the taps in the bathroom. But they are always glad I’m using an electric brush. My kids (both under 10) use them too, after they learnt how to do it manually properly (just in case).
Not American btw.