Unwrap UVW hide faces

[MarkAldred]

I have a head model to UV map and to do the inside of the mouth, I'd like to hide the faces not concerned. The trouble is, when I go to the Editable Poly level below in the stack, hide the faces then return, I've lost the mapping that I've done up until that point.

Why is this happening and how can I avoid it?

Thanks

Mark

[Anonymous]

So is there a way to quickly hide faces that are getting in the way?

[MarkAldred]

Never found a solution unfortunately.