Sometimes, despite rigorous dental care, some people contract infections deep inside a tooth and researchers at the University of Southern California’s Density and Engineering schools have come up with a high-tech tool to kill tooth bacteria.

Biofilms are particularly tough bacteria and are protected in a matrix that means they cannot be eliminated with antibiotic treatments, so the team developed a cool plasma torch that hits the bacteria in a tooth’s root.

Read full story via dentalplans.com