You could map the inside of the mouth too and blend it with the face map using alpha maps. We won t go into that. I think I have illustrated one of the uses of alpha maps here. For the sake of the tutorial we will keep it simple. You take the message and go nuts.
Lets move on.
Go back to the original Surface panel and load the Face side surface. We are faced with the exact same problem as before. Now we know what to do. Now this is different. Choose the X-axis.