目的评价前方牵引器联合快速扩弓矫治恒牙早期骨性前牙反牙合的有效性。
Objective To evaluate the maxillary protraction appliance permanent teeth combined rapid expansion of early bone anterior crossbite effectiveness.
前方牵引器；快速扩弓；骨性前方反牙合。
Front tractor; Rapid expansion bow; The front teeth osteoarthritis.
目的：探索使用钛镍合金牵引器弹性加载自动牵引成骨重建节段性缺失下颌骨的动物建模方法。
Objective: To establish suitable animal models for elastic distraction osteogenesis using titanium-nickelalloy distractor for reconstruction of mandibular segmental defect.
方法使用内置式三焦点牵引器对4只成年犬下颌骨骨段缺损进行牵引成骨重建。
Methods The internal trifocal distractor was used to reconstruct the mandibular segmental defects of 4 canine model.
目的：初步研究和评价内置式牵引器牵引成骨治疗上颌发育不全术后的稳定性。
Objective: to investigate the stability of internal midface distraction in correction of severe maxillary hypoplasia secondary to cleft lip and palate.
目的：初步研究和评价内置式牵引器牵引成骨治疗上颌发育不全术后的稳定性。
Objective: to investigate the stability of internal midface distraction in correction of severe maxillary hypoplasia secondary to cleft lip and palate.
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