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 ...

Probiotic toothpaste contains beneficial bacteria that can supposedly improve oral and gut health. While it could be a helpful addition to an existing routine, it shouldn’t replace proven products and ...

Professor and Head of School of Dentistry, Royal College of Surgeons in Ireland, RCSI University of Medicine and Health Sciences Nothing to disclose. Albert Leung and Niamh Coffey do not work for, ...