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- Last updated July 9, 2021 0 comments, 165 views, 0 likes
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換牙時，兒童用舌頭舔牙有什麽危害？
Posted By vickong pun
July 9, 2021
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換牙時，兒童用舌頭舔牙有什麽危害？
換牙時，兒童用舌頭舔牙有什麽危害？在乳恒牙替換時，如果兒童經常用舌尖舔松動的乳牙、乳牙殘 根或初萌的恒牙，就形成了伸舌或舔牙習慣。
伸舌時，舌尖伸在h 下牙之間，形成局部開稔。
有時舌頭前伸，帶動下颔向前，造成下 領前突畸形.舔牙時诃使下前牙唇向傾斜，出現牙間隙，甚至形成 反粉.如果同時舔上下前牙，則容易形成雙牙弓或雙鎮前突.
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