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.

Joe Raedle/Getty Images Another bacteria, Paracoccus yeei, was found in a batch of the company’s Wicked Cool! Anticavity Toothpaste, which is marketed toward children.

Dangerous bacteria linked to multiple infections found in final batches of Contaminated water used to make Tom’s of Maine toothpaste.

Bacteria is found in some of Tom’s of Maine toothpaste products, and black mold was discovered at a facility.© Shutterstock ...

What happens to your teeth when you don't brush before bed and this nightly habit you're skipping is causing serious damage ...

We tested more than 60 oral hygiene products, from toothbrushes and toothpastes to tongue scrapers and mouthwashes. These 11 ...

Researchers have found a natural mouthwash that seems to kill off nasty germs while nurturing friendly microbes.

Dental plaque is a complex biofilm at the heart of oral disease. Learn how it causes cavities and gum inflammation and why ...

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 ...