The permanent tooth germ plays an important role in physiologicalroot 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。
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This review will introduce odontclast and its related signal cascades and the cor-relation of permanent successor with physiologicalroot resorption of primary tooth.