A single species of bacteria is responsible for tooth decay. But until now, mouthwash has worked by sterilizing your maw wholesale. But why go Death Star v. Alderaan on it when you could just kill off that one bad species? This is exactly what Colgate has done and the result could mean an end to cavities—forever. More »

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New, Targeted Mouthwash Could Eliminate Tooth Decay "Within Our Lifetimes" [Medicine]