what causes tongue tied?
For other uses, see Tongue tied (disambiguation). Ankyloglossia, also known as tongue-tie, is a congenital oral anomaly that may decrease mobility of the tongue tip and is caused by an unusually short, thick lingual frenulum, a membrane connecting the underside of the tongue to the floor of the mouth.
Back to TopCauses. The exact cause of tongue tie is not known. Your genes may play a role. It tends to run in some families. The tongue is stuck to the bottom of the mouth by a band of tissue called the lingual frenulum. In a newborn or infant, the symptoms of tongue tie are similar to the symptoms in a child who is having problems with breast feeding.