There’s a good chance you were treated using tetracycline as a child, but what you and your parents probably didn’t know is that it can cause very obvious stains on the teeth. At the time, it was used to treat a wide variety of infections. If you notice gray, yellow, or brown staining on your tooth enamel, it can make it difficult to smile in front of those around you. According to a dentist in Fayetteville, there are many causes for stained teeth, but tetracycline often doesn’t get enough attention. Here’s what you should know about the connection to stained teeth and what you can do to resolve your stains.