
Imagine having a severely damaged tooth that your dentist mended and capped with a dental crown, only to notice years later that the repaired tooth has a dark line along the edge where it meets your gums. No matter how well or frequently you brush or floss your teeth, it doesn’t go away. You may even have tried whitening treatments, but nothing seems to touch it. If this sounds familiar, you probably have some questions. What is causing this discoloration, and how can you get rid of it? If you’ve been wondering, keep reading to find the answers!
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