
A dental crown is a cap that completely encircles a tooth. They are generally used for pearly whites that have been severely damaged. They protect teeth from further harm as well as restore their look and function. If you have a dental crown and notice that a black line has begun to form on it, you may wonder why this is. To ease your mind, read on to learn why this is happening and what your dentist can do about it.
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Tooth decay is the biggest threat to your smile, but it is preventable. Unfortunately, a cavity can still occur despite brushing and flossing. If you’ve ever had one, it was likely treated with a filling. Whether amalgam or composite, it can protect your tooth for many years, but how long do fillings last in North Andover? Here’s when you can expect to need a replacement.



