Solutions for minor diastema due to bulimia? (Photo)

Hello, I've been bulimic on & off for 2 years (was clean this april-august). I've started to notice minor changes in my smile that are making me self conscious, such as a small gap appearing between my bottom front teeth & black triangles in others. I'm going for a dental check but wanted some opinions. 1st, how severe does my damage look? Am I overreacting? I brush 2x a day + gargle antacids after purging. 2nd, based on pics, what solutions would you recommend for my teeth? Thanks in advance.

No doctor answers yet