Myofunctional Therapy for Sleep Apnea A Path to Better Breathing Pain and Sleep Center Charlotte, NC Vibrating Tongue Piercing Tongue Rings Piercebody.com Vocal Techniques Increasing Vibration and Resonance What Are Mamelons and How Are They Removed? Geographic tongue, also called benign migratory glossitis, is a harmless condition that makes the surface of your tongue look patchy, almost like a map. The exact cause isn't fully known, but genetics, Tongue color: What does it say about health?