I have an underbite, it's mainly because my maxilla hasn't grown forward completely. Also, my lips are not symmetrical. I have been mewing for a year now. But there's only change in my mandib...
I have an underbite, it's mainly because my maxilla hasn't grown forward completely. Also, my lips are not symmetrical. I have been mewing for a year now. But there's only change in my mandib...