In the future, preventing cavities may be as simple as taking a supplement to keep unwanted bacteria in check. Researchers have found a strain of bacteria that could keep bad bacteria under control and pave the way to using probiotics (beneficial bacteria) to prevent cavities. The newly identified bacteria is a strain of Streptococcus called A12, which was found to help neutralize acids in the mouth and also kill Streptococcus mutans, an especially harmful kind of bacteria. The findings are important as too much acid can cause dental cavities or other disorders. While the development of an effective oral probiotic is still a long way off, this previously unknown bacteria looks like a promising candidate in the future of dental health.
Applied and Environmental Microbiology, January 2016