http://articles.mercola.com/sites/articles/archive/2002/07/13/gm-bacteria-part-two.aspxArming a type of friendly bacteria to do battle with cavity-promoting bacteria could offer a new way to prevent tooth decay. In experiments with cells and rats, scientists found that a type of "good" bacteria called lactobacillus could be geneticallyenCommunityServer 2008.5 SP1 (Build: 31106.3070)