The goal of brushing one’s teeth is to have fresh breath and prevent cavities. But the effect of toothpaste on the complex ecosystem of bacteria in our mouths — the oral microbiome — is often ...

Does your toothpaste dribble from your mouth? Does it park quietly on your toothbrush? Does it feel gritty on your teeth? There is strong science in making toothpaste. Toothpaste is a solid, but an ...