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 overlooked.

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. We all know the advice for healthy teeth—brush twice daily and don't ...

Skipping the rinse after brushing helps fluoride stay on your teeth longer, which may help strengthen enamel and reduce cavities. The “spit, don’t rinse” method works best when you brush for two ...

We all know the advice for healthy teeth – brush twice daily and don’t eat too much sugar. So why do those of us following these instructions find we sometimes need a filling when we visit the dentist ...