If I were you I probably go head retake DAT because I am dead anyways!! nothing to loss!! If you really want to get in Dentistry then do it; and, let the admission committee make decision. So Cheer up!
I agree. However you're studying change it. Improving one or two points overall won't help you, but no one knows better than you that the material covered on the DAT can be mastered and you can get above a 24 overall. That would be hard to ignore.
Learn Spanish, maybe the school in Puerto Rico would still take the scores.