I have two sisters with amazing smiles - white teeth, straight, huge smiles. I have a plate for a front tooth broken when I was a child, and my teeth were yellow. I taught myself to not focus on what I didn't have (a smile like my sisters') and focus on smiling with my whole self. But it did bug me a lot.
I haven't achieved a lot with dentists. I didn't like how the replacement tooth varied in shade so much from my own teeth, and every time I go to the dentist it's cleaning, xrays, fillings... ...