> ## Content Index
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# Where Do Teeth Come From?
- URL: https://www.cascadepbs.org/show/its-okay-be-smart/episode/where-do-teeth-come-from-l404l1/
- Published: 2024-04-02T23:16:44.000Z
- Updated: 2025-08-20T09:54:29.000Z
- Description: Teeth are made from some biological nanotechnology that will blow your mind.
- Author: Cascade PBS Staff
- Tags: Be Smart, Season 6, Episode 28, #ZZZ_Episode_eae9d270-ed48-4145-bc48-6cc828649258, #episode, #ZZZ_Show_dc38a6e9-266e-43c1-b647-45e7445fad27, #v1.16

Teeth. We’ve all got ‘em (most of us, anyway). But how do they grow? Teeth are made from some biological nanotechnology that will blow your mind. They are strong enough to last hundreds of millions of years. Oh, and if you’ve ever wondered how adult teeth replace your baby teeth, get ready to see something terrifying.