Dealing with a diente negro? Here's what's going on
Waking up and noticing a diente negro in the mirror is enough to make anyone do a double-take and feel a bit of instant panic. It's not exactly the kind of thing you can just brush away with a bit of extra toothpaste, and it usually signals that something more significant is happening beneath the surface. Whether it's a tiny speck or the whole tooth has taken on a dark, shadowy hue, it's a clear sign that your mouth is trying to tell you something. ...