We explain the differences between Philips’ vast range of Sonicare toothbrush heads so you can find the best for your mouth When you purchase through links on our site, we may earn an affiliate ...

We spent six months testing brand-name and generic replacement heads for electric toothbrushes to see if it was worth paying more. Here’s what we found. ... Philips Sonicare: $1: $8: $2.30: ...

My real beef is with Philips Sonicare and Braun Oral-B, which indicate on the replacement head packaging that the brushes should be replaced every three months.