March 16, 2026
The Smile Problem Most People Notice but Don’t Know the Name For: "Black Triangles"
If you’ve noticed small gaps between your teeth near the gumline, you’re not alone. In fact, there is a term for what you’re seeing: “black triangles.”
While they may seem like a purely cosmetic concern, black triangles can affect dental and periodontal health. Understanding why they appear and how they're treated can help you protect the look and health of your ...