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。
Root resorption of deciduous tooth without permanent tooth germ was significantly delayed than the deciduous tooth with permanent tooth germ.
恒牙胚缺失的乳牙牙根吸收明显晚于恒牙胚存在的乳牙。
Root canal filling pastes for primary tooth have to meet more needs than paste for permanent tooth, such as being absorbed with root simultaneously and doing no harm to permanent tooth germ.
乳牙根充糊剂除需具有恒牙根充糊剂的特性外，还需具有充填后能与乳牙牙根同步吸收、对乳牙根尖周组织和恒牙牙胚无害等性质。
Root canal filling pastes for primary tooth have to meet more needs than paste for permanent tooth, such as being absorbed with root simultaneously and doing no harm to permanent tooth germ.
乳牙根充糊剂除需具有恒牙根充糊剂的特性外，还需具有充填后能与乳牙牙根同步吸收、对乳牙根尖周组织和恒牙牙胚无害等性质。
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