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 ...

The FDA sent a warning letter flagging "significant violations" of manufacturing regulations for Tom's of Maine toothpaste.

An FDA letter outlined issues with mold and bacteria at the Tom's of Maine plant where toothpaste products are manufactured.

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

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

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 ...