The Body's Point of No Return: Why Your Teeth Can't Heal Themselves

Think about it: your bones can heal from a break. Your skin can stitch itself back together. But your teeth? They're the only part of your body that can't self-repair. Once the protective enamel is gone, it's gone for good. That’s because enamel has no living cells. It’s a one-and-done shield, so take care of it!