自制牙支持式牵张器治疗上颌骨畸形

Treatment of maxillary hypoplasia with a self-made tooth-borne distraction device

目的:探讨运用自制牙支持式牵张器治疗上颌骨畸形。方法:利用自制牙支持式牵张器进行上颌骨牵张,治疗唇腭裂术后继发上颌发育不足、重度上颌后缩畸形、上颌骨获得性畸形等,共28例。结果:除2例因牵张器松动致牵张失败需重新手术外,余者术创正常愈合,牵张过程顺利,达到预期牵张目的。结论:牙支持式牵张器可有效的治疗上颌骨发育不足及软组织量不足的患者。

Objective： To evaluate the result of distraction osteogenesis in patients with premaxillary, defieieney using a self-made tooth-borne distraction device. Methods： A self-made tooth-borne distraction device was used for advancement of the maxillary anterior segment in 28 patients. Results： 26 cases were corrected satisfactorily and have no any complications. In 2 cases the distraction device did not work during distraction. Conclusion： This device can improve the soft tissue profile and correct the space deficiency of the maxilia.