Conclusion: Bone remodel around the permanent tooth germ resulted from primary tooth orthodontic movement.
结论：狗乳牙正畸移动后恒牙胚牙周组织发生骨改建。
RESULTS:SHIP positive signals were observed in the osteoclasts, odentoclasts and enamel of permanent tooth germ.
结果：SHIP在破骨细胞、破牙细胞和恒牙胚釉质层表达阳性。
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。
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