Bad crown lengthening with bone removal.

I have a broken teeth and it was under gum line by 3mm , it was the first right pre molar . I asked many doctors and they all told me i need to make implant. I didn't like to the idea of waiting 3 months . one doctor offered me to do crown lengthening with shorting the gum and bone by 2 mm so it won't effect the smile and he'll rebuild it by 2 fiber posts . During the surgery the decay was big and he didn't inform me so removed a lot of bone and gum about 4mm and the result very bad. Help!

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