Objective To evaluate the clinical curative effect of segmental arch technique in incisor luxation.
目的评价片段弓矫治技术治疗前牙外伤的效果。
Objective: To evaluate the effectiveness of the segmental arch technique in fixing replanted traumatically avulsed permanent teeth.
目的：评价正畸片段弓技术应用于固定外伤脱位再植牙的效果。
Objective:To evaluate the effect of segmental arch technique and implant reinforcing anchorage on depressing the(dongated opposed teeth for preparing enough space for mandibular dental implant.
目的∶采用种植体支抗直接牵张上颌骨骨缝成骨技术探索颅颌面骨发育不足治疗新方法，观察在牵引力的作用下支抗种植体的骨结合情况。
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