先天性舌系带过短症(英语:Ankyloglossia),俗称黐脷筋,属于一种常见的先天性口腔畸形,表现为舌系带与舌腹或口底黏膜的附丽点前移,使得舌前伸、上抬或左右摆动受限,勉强前伸呈 w 形,有机会引致进食困难、影响语言能力。但可透过舌系带释放和做手术改善舌头的活动能力以及言语能力 ( 术后可能要接受言语训练,纠正发音问题 )

原因

连接舌头底部与口腔的“舌系带”过短及过厚。

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