This is PEDYCAST.

Welcome to Pediacast, a pediatric podcast for parents.

And now, direct from the campus of nationwide children's, here is your host, Dr. Mike.

Hello, everyone, and welcome once again to PDACAST.

It's a pediatric podcast for moms and dads.

This is Dr. Mike coming to you from the campus of nationwide children's hospital.

We're on Columbus, Ohio.

It is September 3rd, 2014, episode number 294.

And we're calling this one vending machines, video games, and schoolyards.

I want to welcome everyone to the show.

It's another news parents can use edition of the program, so we've got lots of topics to

cover, and I'll get to the entire lineup in just a couple of moments.

First, a little word of warning for you.

Tooth number 14, and yes, a person's teeth are numbered in their mouth.

In fact, actually, they're lettered if they're baby teeth.

And they're numbered if they're adult teeth.

And I've had a little problem with tooth number 14 for about a decade now.

Not a cavity, as it turns out.

It's something called internal resorption.

It's where your immune system decides to attack a tooth. And we don't exactly understand why that

happens. Maybe you're related to some trauma during childhood. But something happens and your

immune system decides that it doesn't like that tooth anymore. And so this process ran its course over the last 10 years,

...