{"title":"骨骼 II 级病例通过马蹄形勒堡 I 型截骨术进行上颌骨后退后的稳定性","authors":"Myo Maung Maung, Daichi Hasebe, Masaki Kasahara, Zhuoyang Zheng, Ryoko Takeuchi, Hidenobu Sakuma, Daisuke Saito, Tadaharu Kobayashi","doi":"10.1016/j.ajoms.2024.05.002","DOIUrl":null,"url":null,"abstract":"<div><h3>Purpose</h3><div>Le Fort I osteotomy combined with horseshoe osteotomy has been established as a technique for total maxillary setback. In this study, the stability of the maxillary and mandibular positions was examined in five cases in which was performed total maxillary setback by Le Fort I osteotomy combined with horseshoe osteotomy.</div></div><div><h3>Subjects and methods</h3><div>The stability of the maxilla was examined in five cases that had undergone total maxillary setback by horseshoe Le Fort I (H- LF I) osteotomy and bilateral sagittal split osteotomy (BSSO) including mandibular anterior subapical osteotomy (MASO) in one case. The changes in the position of the maxillary and mandibular positions were analyzed with lateral cephalograms taken immediately before (T0), a few days after (T1), and one year after (T2) the surgery.</div></div><div><h3>Results</h3><div>Postoperative maxillary changes both horizontally and vertically were all less than 2 mm. Postoperative horizontal mandibular changes showed little skeletal relapse, but all postoperative vertical mandibular changes were within 2 mm.</div></div><div><h3>Conclusion</h3><div>Our results suggest that H-LF I osteotomy is a reliable, safe, and effective surgical procedure for postoperative skeletal stability of total maxillary setback in skeletal class II cases.</div></div>","PeriodicalId":45034,"journal":{"name":"Journal of Oral and Maxillofacial Surgery Medicine and Pathology","volume":"37 1","pages":"Pages 36-41"},"PeriodicalIF":0.4000,"publicationDate":"2024-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Stability after maxillary setback by horseshoe Le Fort I osteotomy in skeletal class II cases\",\"authors\":\"Myo Maung Maung, Daichi Hasebe, Masaki Kasahara, Zhuoyang Zheng, Ryoko Takeuchi, Hidenobu Sakuma, Daisuke Saito, Tadaharu Kobayashi\",\"doi\":\"10.1016/j.ajoms.2024.05.002\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Purpose</h3><div>Le Fort I osteotomy combined with horseshoe osteotomy has been established as a technique for total maxillary setback. In this study, the stability of the maxillary and mandibular positions was examined in five cases in which was performed total maxillary setback by Le Fort I osteotomy combined with horseshoe osteotomy.</div></div><div><h3>Subjects and methods</h3><div>The stability of the maxilla was examined in five cases that had undergone total maxillary setback by horseshoe Le Fort I (H- LF I) osteotomy and bilateral sagittal split osteotomy (BSSO) including mandibular anterior subapical osteotomy (MASO) in one case. The changes in the position of the maxillary and mandibular positions were analyzed with lateral cephalograms taken immediately before (T0), a few days after (T1), and one year after (T2) the surgery.</div></div><div><h3>Results</h3><div>Postoperative maxillary changes both horizontally and vertically were all less than 2 mm. Postoperative horizontal mandibular changes showed little skeletal relapse, but all postoperative vertical mandibular changes were within 2 mm.</div></div><div><h3>Conclusion</h3><div>Our results suggest that H-LF I osteotomy is a reliable, safe, and effective surgical procedure for postoperative skeletal stability of total maxillary setback in skeletal class II cases.</div></div>\",\"PeriodicalId\":45034,\"journal\":{\"name\":\"Journal of Oral and Maxillofacial Surgery Medicine and Pathology\",\"volume\":\"37 1\",\"pages\":\"Pages 36-41\"},\"PeriodicalIF\":0.4000,\"publicationDate\":\"2024-05-11\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Oral and Maxillofacial Surgery Medicine and Pathology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S2212555824000735\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"DENTISTRY, ORAL SURGERY & MEDICINE\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Oral and Maxillofacial Surgery Medicine and Pathology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2212555824000735","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"DENTISTRY, ORAL SURGERY & MEDICINE","Score":null,"Total":0}
引用次数: 0
摘要
目的 Le Fort I截骨术联合马蹄形截骨术已被确立为上颌骨全退位的一种技术。研究对象和方法研究了五例通过马蹄形 Le Fort I（H- LF I）截骨术和双侧矢状劈开截骨术（BSSO）（包括一例下颌骨前方根尖下截骨术（MASO））进行全上颌骨后移的病例的上颌骨和下颌骨位置的稳定性。术前（T0）、术后几天（T1）和术后一年（T2）拍摄的侧位头影分析了上颌骨和下颌骨位置的变化。结论我们的研究结果表明，H-LF I 截骨术是一种可靠、安全、有效的手术方法，可用于骨骼Ⅱ级病例上颌骨全后移的术后骨骼稳定。
Stability after maxillary setback by horseshoe Le Fort I osteotomy in skeletal class II cases
Purpose
Le Fort I osteotomy combined with horseshoe osteotomy has been established as a technique for total maxillary setback. In this study, the stability of the maxillary and mandibular positions was examined in five cases in which was performed total maxillary setback by Le Fort I osteotomy combined with horseshoe osteotomy.
Subjects and methods
The stability of the maxilla was examined in five cases that had undergone total maxillary setback by horseshoe Le Fort I (H- LF I) osteotomy and bilateral sagittal split osteotomy (BSSO) including mandibular anterior subapical osteotomy (MASO) in one case. The changes in the position of the maxillary and mandibular positions were analyzed with lateral cephalograms taken immediately before (T0), a few days after (T1), and one year after (T2) the surgery.
Results
Postoperative maxillary changes both horizontally and vertically were all less than 2 mm. Postoperative horizontal mandibular changes showed little skeletal relapse, but all postoperative vertical mandibular changes were within 2 mm.
Conclusion
Our results suggest that H-LF I osteotomy is a reliable, safe, and effective surgical procedure for postoperative skeletal stability of total maxillary setback in skeletal class II cases.
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