乳牙生理性根吸收是导致乳牙脱落的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.
恒牙胚是引起乳牙生理性根吸收的重要因素,但却非唯一的因素。
The permanent tooth germ plays an important role in physiological root resorption of deciduous tooth, but not the alone factor.
恒牙胚是引起乳牙生理性根吸收的重要因素,但却非唯一的因素。
The permanent tooth germ plays an important role in physiological root resorption of deciduous tooth, but not the alone factor.
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