Shares of UnitedHealth Group Inc. took a deep dive Tuesday, after the health insurer said it no longer backed its full-year financial outlook, as medical costs continued to rise more than expected.

A lefty Upper West Side councilwoman is demanding free dental care for illegal immigrants — and revealed she’s shelled out more than $8,000 of her own dough to keep their pearly whites intact.

"We know that the people who have the most benefit from fluoride are people who otherwise struggle to access dental care," says Simon, who has been researching dental policy for a decade.