You are allowed to cite case law that is relevant. In your case, that would be CA case law.
However, honestly dad, I can't see you winning a custody case at this point. She hasn't violated the visitation orders because they are not specific, and I can't see a judge changing custody just because a child hasn't been to the dentist in two years.
Your biggest problem, though is the fact that you have moved to PA. A custody change is always disruptive to a child, therefore the judge has to weigh the benefit of the change against the negative of the disruption. In this case, a judge would have to believe that things were so bad at mom's, that disrupting the child's primary bond (the bond with his mother, his current, primary caretaker) was needed to protect the child's best interest. I can't see that happening with the scenario you have described.
What I can see happening is you getting an enforceable visitation schedule, and perhaps the judge ordering that the child can fly as an unaccompanied minor.