Ankyloglossia: Symptom and Causes


  • Difficulty lifting the tongue to the upper teeth or moving the tongue from side to side
  • Trouble sticking out the tongue past the lower front teeth
  • A tongue that appears notched or heart shaped when stuck out or V-shaped notch at the tip of the tongue
  • Inability to protrude the tongue past the upper gums (or incisors)
  • Inability to touch the roof of the mouth


The cause is largely unknown, although some cases of tongue-tie have been associated with certain genetic factors. When tongue-tie is present, it’s apparent at birth.

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