Fixing a crown/receding gum.
Doctor Answers 2
Fixing a Crown
Yes, off course its a best way to fill the gum instead of replacing the crown. Composite resin need to withstand moderate pressure from the constant stress of chewing and filling look more natural.
Technically,the answer to your question is yes. It's not an ideal scenario since the bond cannot be assured to be very strong on the tooth as well as on the crown margin. Short term it may work, but it's not a long term solution. I hope this helps!
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