同拔出残根、直接修复和冠延长术相比，正畸(牙合)向牵引是一种简单、经济、实用的方法，值得在临床上推广。
Compared with root extraction, the direct restoration, and the crown lengthening by surgical procedure, the forced eruption is a simple, economical and practical method in clinical.
最后在不拔出注射针的情况下直接注射细胞核或完整细胞进而完成重构胚的构建。
Then a reconstructed embryo was completed by the direct injection of the donor nucleus or cell without pulling out the injection pipette.
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