结论：微螺钉种植体支抗在口腔正畸中效果明显，值得临床推广使用。
Conclusion: Micro-screw implant anchorage in orthodontic results in significant, is worthy of clinical use.
目的：应用自攻型微螺钉种植体作为支抗内收前牙，评价种植体支抗的疗效。
Conclusion:Self-tapping screw-type micro-implant could provide good control in the orthodontics treatment.
目的：应用自攻型微螺钉种植体作为支抗内收前牙，评价种植体支抗的疗效。
Conclusion:Self-tapping screw-type micro-implant could provide good control in the orthodontics treatment.
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