与钙相关，而且同等重要的是维生素d。维生素d是饮食中必不可少的，它促进所摄入钙的吸收和宫内宝宝骨骼和牙齿的形成。
Related to calcium-and just as important-is Vitamin D. it is essential in the diet to promote absorption of the calcium you consume and for the formation of your baby's bones and teeth in utero.
帮助机体吸收钙，从根本上维持骨骼、牙齿和神经元细胞的健康。
Promotes the body's absorption of calcium, essential for maintenance of healthy bones and teeth, as well as nerve cells.
结论：两种治疗方法的牙根吸收率是一致的；牙根吸收率与牙齿移动距离和受力时间没有关系。
Conclusion: the rate of root resorption of two methods are consistent, there's no relationship between the root resorption of the teeth transportation distance or treatment time.
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