A better toothbrush? ADA unconvinced
Every year millions of toothbrushes go out of commission, splayed, flattened, mildewed, rejected. And twice a year, the average dental patient hears yet another lecture from his dentist about brushing more thoroughly. The convergence of these two factors means a huge market for any company that can prove its toothbrush is better than the competition … or even just better than the average. The latest salvo in the toothbrush wars

