Tongue-tie (ankyloglossia) is a birth defect in which the tissue that attaches the tongue to the bottom of the mouth (lingual frenulum) is too short. This condition may interfere with a child's eating, speech development, and social interaction.
Many babies with tongue-tie do not have symptoms. The lingual frenulum may stretch as the child grows or adapts to the tongue restriction. But some children with tongue-tie have:
Many children with tongue-tie adapt to the tongue restriction or their lingual frenulum stretches as they grow. Surgery may be needed if a child has a lot of problems caused by the tongue restriction.
WebMD Medical Reference from Healthwise