Fixing his mouth

This where I had a problem making his mouth open so I could animate him talking, the end blend shape wasn't affecting the dummy, I took a closer look and found out that his teeth were stuck together.

Very embarrassing and very stupid on my behalf, so I tried to fix it with some help form others and the his mouth turned out like this..

Did this with both the dummy and master and made duplicates buuuuuuuuuut.....they don't work when the blend shapes are made so i started the blend shapes again. So now his mouth doesn't open but i worked with it.