EEK!
Hard to say without any pic's. I'm not sure what a vet would be able to do with a snake with a broken jaw??? But then again I've never had to take my snake to a vet so I'm not up to date with all they can and can not do for them. I'd say if she doesn't :fit" it herself then yes do take her to get checked out!

Also how big of a fall did she have?