Losing a tooth as a kid meant a quarter under your pillow and an awkward smile in school photos. Losing a tooth as an adult? That just means a hefty dental bill and a newfound appreciation for soup. But thanks to Japanese researchers, you might not have to dread the dentist anymore—because science is working on a way to regrow your chompers like a shark. Goodbye dentures, hello second chance at biting into caramel with confidence!
Humans May Be Able to Grow New Teeth Within Just 6 Years