Nocturnal teeth grinding and clenching of the upper and lower jaw are known as sleep bruxism and can have consequences for health.

There is no natural alternative to synthetic filling materials, but a new 3D model with human dental stem cells could change this in the future.

Researchers from the University of Louisville (UofL) School of Dentistry in the US and their colleagues have discovered details of how proteins produced by oral epithelial cells protect humans against viruses entering the body through the mouth.

Previous studies have linked poor oral hygiene with hyper-inflammation and cardiovascular disease.