Mouth with the incisor teeth closing level, or with upper teeth slightly overlapping the lower.

嘴巴呈齿剪状或水平咬合，或稍微的上超咬合。

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Mouth with the incisor teeth closing level, or with upper teeth slightly overlapping the lower.

嘴巴呈齿剪状或水平咬合，或稍微的上超咬合。

youdao