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A Cavity-Fighting Liquid Allows Kids Avoid Dentists’ Drills
Nobody looks forward to having a cavity drilled and filled by a dentist. Now there’s a different: an antimicrobial liquid that can be brushed on cavities to stop tooth decay – painlessly. The liquid is known as silver diamine fluoride, or S.D.F. It’s been used for decades in Japan, but it’s been accessible in the