I really sorry what you had gone through. But do not worry you are not in such disadvantage.
There are only 4 dental schools that do not accept CC credits for prerequisites Indiana, Creighton, BU, and Tufts. From Tufts I can tell you that you can substitute prerequisites with upper level courses of the same area, Biology with Anatomy for example; also if you do well in your DATs in the Chemistry section they will not look where you took your chemistry. So you will need to take Orgo, Physic, Math (try to take Stats; Texas' schools require it), and English at the University. Half of dental schools will take unlimited amount of CC credits, other 1/4 will accept up to 60. NYU, U Pittsburgh, OHSU, Howard, and Temple; will accept 1 class/subject, 30% of credits, 32, 48, and 6 credits respectively.
Also all the Texas' dental schools accept CC according to the book I have. So just do well during this years to demonstrate that you went to college for financial reasons (same reason I did), kill your DAT, and apply early next year.
TLDR: You are fine, you got this. The winner of the dental education is the one with less debt at the end.