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首页> 外文期刊>National Journal of Maxillofacial Surgery >A case of cleft lip and palate with severe maxillary retrognathism treated by distraction osteogenesis and custom made intraoral rapid maxillary expansion appliance: A 2-year follow-up of retention
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A case of cleft lip and palate with severe maxillary retrognathism treated by distraction osteogenesis and custom made intraoral rapid maxillary expansion appliance: A 2-year follow-up of retention

机译：牵张成骨和定制的口腔内快速上颌扩张矫治器治疗严重上颌逆行的唇left裂病例：2年随访

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摘要

Herewith, a case is reported of an adolescent female patient with maxillary retrognathism due to restricted growth arising out of the previous cheiloplasty and palatoplasty surgeries treated for cleft lip and palate. She also presented an oroantral fistula in the scarred tissues of the palatal region. There was anterior crossbite and distorted occlusion in the anterior segment with crowding and open bite. There is maxillomandibular discrepancy of 6 degrees°. The distraction osteogenesis was performed so as treat the maxillary hypoplasia. This allows undermanding adaptation of the soft-tissue structures to the modification in the skeletal structures as a result of surgical procedures and ensures long-term stability. A custom made intraoral rapid maxillary expansion device was prepared utilizing the hyrax screw for the distraction of the bony segments. At the end of the treatment and a retention period of 24 months, the patient exhibited improved facial profile and hence esthetics.
机译：因此，据报道，由于先前的唇裂和pa裂手术而进行的前唇成形术和前凸成形术所致的生长受限，导致一名上颌逆行症的青春期女性患者的病例。她还在presented部瘢痕组织中出现了口窦瘘。在前段有前交叉咬合和闭塞畸形，并有拥挤和开放性咬合。颌下颌相差6度。进行牵张成骨术以治疗上颌骨发育不全。由于外科手术的结果，这允许软组织结构适应骨骼结构的改变，并确保长期稳定性。利用蹄螺钉固定骨节段，准备了定制的口腔内快速上颌骨扩张装置。在治疗结束和保留期为24个月后，患者表现出改善的面部轮廓，因此具有美学感。

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