If you're a parent then by definition you have children. And most of the time thos kids grow teeth. Then they fall out and grow more. Time to start keeping the ones that fall out for a legitimately good reason.

Costume jewelry! No, not really. Scientists say that teeth contain billions of stem cells that can be harvested and studied and farmed later in life to combat, diagnose, and even treat multiple diseases. So start paying up for those chompers and get yourself a little pirate safe for them. Just don't make jewelry out of them really cause that's kind of gross.