Scientists say they found a way to stop cavities—without drilling

A cheap treatment at the dentist’s office that only takes seconds may offer a viable alternative to drilling out cavities — even in babies. New research published in JAMA Pediatrics found that the topical substance known as silver diamine fluoride can stop cavities when painted onto the surface of a tooth. The no-drill option for tooth decay is a potent, inexpensive option for treating cavities, particularly in children and babies. The study examined silver diamine fluoride’s efficacy in…