This is the wrong problem to try and solve. Toothbrushes are a solved problem.
If you want to disrupt at-home dentistry, solve flossing instead. That one's still a pain in the ass that comes back to bite (heh) a huge amount of people down their roads.
If you want to disrupt at-home dentistry, solve flossing instead. That one's still a pain in the ass that comes back to bite (heh) a huge amount of people down their roads.