• 乳牙生理性吸收导致乳牙脱落一种特有的生理性现象

    Deciduous root resorption is a physiological phenomenon that results in exfoliation of the deciduous teeth.

    youdao

  • 是引起乳牙生理性吸收重要因素但却唯一因素

    The permanent tooth germ plays an important role in physiological root resorption of deciduous tooth, but not the alone factor.

    youdao

  • 是引起乳牙生理性吸收重要因素但却唯一因素

    The permanent tooth germ plays an important role in physiological root resorption of deciduous tooth, but not the alone factor.

    youdao

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