It's Called the financial aid department, People work there, and it is their job to provide the tools, resources, information, necessary to receive funding to cover school expense.
All I'm saying is, to each his own, To the guy above me, you say this happens to Canadians every year, why Canadians after all i'm sure there are WAAAYY more poor w/bad credit students accepted from america than Canada, so if what you say is true wouldn't the better fact be "this happens to students in the US every year"
We're in a world of possibilities not because this or that person says so, but because certain people fight for there goals, What about scholarships, what about need based scholarships from the Dental school, What about when this guy speaks of his amazing triumph HOMELESS to DENTAL SCHOOL, but wait america I will actually remain homeless despite my clear, deserving aptitude for this field, because I have credit card debt. Yeah Right.
Furthermore, majority of Undergrad students. accumulate ridiculous credit card debt, are these people all out of MED/DENTAL/PHARMACY/PODIATRY/ all because they have debt thereby canceling loan eligibility. Dentist have garbage credit and 250k + in debt/loans but they always can get that loan to start a practice, because banks have guarantees on that money returning, is D school not the same/similar.
Check out HPSA and the scholarships you can get there, your needs will put you higher up on the list.
Military
Find a mentor (dentist maybe) who believes in you and would be willing to cosign
Guard your credit from here on
research other options
Share your story
In your position things are difficult, things are not impossible and your going to be a great dentist.