如果婴儿过早的失去牙齿，恒牙可能会爆发式的错位长出而需要正畸。

If baby teeth are lost prematurely, the permanent teeth may erupt malpositioned and require orthodontics later on.

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如果婴儿过早的失去牙齿，恒牙可能会爆发式的错位长出而需要正畸。

If baby teeth are lost prematurely, the permanent teeth may erupt malpositioned and require orthodontics later on.

youdao