We generally don’t recommend them. You don’t need the tech to be able to clean your teeth well — plaque disclosing tablets work just as well — and to get the most from them you often need to have your phone with you when you brush....
We do test all the different heads, as best as we can in an 'at home' setting with plaque disclosing tablets etc to see if any are noticeably better or worse. It's not scientific as such but the differences if any tend to be small and hard to put any meangingful figure on this ...
We also did some testing with disclosing tablets to try to get a slightly more scientific view of how well each brush cleaned. In that particular test, we found Philips' brushes and the premium Oral-B brushes performed best and the Panasonic and Colgate ones (perhaps not coincidentally the ch...
The most effective method for evaluating brush performance is to use dental disclosing tablets; this is basically bright colored dye that stains plaque and tartar on your teeth so you can see it. You’ve probably been through this routine with your dentist: Brush as normal, chew the tablet, ...