Do You See a Black Line Around Your Dental Crown?

So, let’s say you’ve had a dental crown for several years. It’s worked pretty well until now, as it hasn’t caused any issues. However, you’ve recently noticed a black line around it. In that situation, you should probably switch the old crown for a new one. Otherwise, the black line is likely to stick around. As for why that’s the case, your Grand Island dentist is here to explain. Read on to learn what causes a black line around a dental crown and how best to fix it.