![Embarassed :oops:](./images/smilies/icon_redface.gif)
So what exactly are they trying to expand here?? I would think that the pressure of my tounge being pressed against the expander would bring my teeth in more then push them out...but I'm obviously not an Ortho.
![wink :wink:](./images/smilies/wink.gif)
I'm just curious what they're trying to do here/how it works.
(excuse the fillings
![Embarassed :oops:](./images/smilies/icon_redface.gif)
![Image](http://images16.fotki.com/v279/photos/1/155856/2993808/DSCN2237-vi.jpg)
![Image](http://images16.fotki.com/v271/photos/1/155856/2993808/DSCN2240-vi.jpg)