If you have an older dental crown, you may have noticed an unattractive black line around the base of your tooth. Natural teeth don’t develop these lines, making them a tell-tale sign of dental work. It can be unfortunate when this happens as most patients want their smiles to look natural. So, how can this problem be fixed? Read on to learn why a black line formed around a dental crown and how your dentist can get rid of it.
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