Front teeth fillings? (22 years old)

I had severly colorred central incisors. I tried whitening but it didn't work. My dentist said he can do tooth collered fillings. I was so obssesed, I accepted instantly. After, my fillings dropped several times, I wished I had never done it. Finally I went to another dentist and made them redone. Now 4 years later, they are colored. Since they're shallow and located on the tips, I was wondering if I can get rid of (or minimize) these fillings by getting teeth filed down?Or what other options?

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