What are you thinking with the new Oral B iO 9? Is it actually worth cashing in my ISA for, or is it just big words selling a basic clean?
oralb.co.uk/en-gb/products/electric-toothbrushes/oral-b-io-series-9-electric-toothbrush#color=black-onyx
My last toothbrush has officially given up the ghost, so looking for the best possible replacement. Any advice appreciated!