Why do we use toothpaste?

Toothpaste is something that lots of people use to keep their teeth clean. It makes our mouths smell nice and fresh, but that’s not the only thing it does! So, why do we use toothpaste? We asked dentist Dr. Jean Star to help us find the answer. 

Got a question that’s stuck in your head, like 

Toothpaste is something that lots of people use to keep their teeth clean. It makes our mouths smell nice and fresh, but that’s not the only thing it does! So, why do we use toothpaste? We asked dentist Dr. Jean Star to help us find the answer. 
Got a question that’s stuck in your head, like spinach between molars? Send it to us at BrainsOn.org/contact, and we’ll help floss out an answer. 

The kids podcast that's big on little questions!

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Smash Boom Best is a debate show for kids and families from the makers of the award-winning podcast, Brains On! Every episode takes two cool things, smashes them together and lets you decide which is best.


Smash Boom Best

A history show for the whole family! Every episode explores the origin of just one thing — like sandwiches, video games, clocks and more — while teaching listeners to think critically about history.


Forever Ago

Our mission is to encourage kids’ and curious adults’ natural curiosity and wonder using science and history…but there’s no age limit on curiosity, and episodes of Brains On can be enjoyed by anyone.


Why do we use toothpaste?

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Smash Boom Best

Forever Ago

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