Why are there brown vertical lines on teeth?
Finding brown vertical lines on teeth can be a bit of a shock when you're just doing a quick mirror check before heading out. It's one of those things you might not notice for years, but once you see it, you can't unsee it. You start wondering if it's a cavity, if your teeth are cracking, or if you've just been drinking way too much coffee lately. The good news is that while these lines look a bit alarming, they're actually incredibly common and usually aren't a sign that your teeth are about to fall out. ...