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采用上颌后段节段性截骨术对一名骨骼不对称患者的后牙咬合塌陷进行掩饰性治疗。

Camouflage treatment of posterior bite collapse in a patient with skeletal asymmetry by using posterior maxillary segmental osteotomy.

作者信息

Badr Haitham, Lee Soo-Yeon, Park Hong-Sik, Ohe Joo-Young, Kang Yoon-Goo, Ahn Hyo-Won

机构信息

Department of Orthodontics, Kyung Hee University Dental Hospital, Seoul, Korea.

Department of Dentistry, Graduate School, Kyung Hee University, Seoul, Korea.

出版信息

Korean J Orthod. 2020 Jul 25;50(4):278-289. doi: 10.4041/kjod.2020.50.4.278.

DOI:10.4041/kjod.2020.50.4.278
PMID:32632047
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7369388/
Abstract

Orthodontic treatment of posterior bite collapse due to early loss of molars and the consequent drift of adjacent teeth is complicated. When the posterior bite collapse occurs in patients with facial asymmetry, both transverse and vertical compensation are necessary for camouflage orthodontic treatment. In such cases, posterior maxillary segmental osteotomy (PMSO) can be an effective alternative procedure that simplifies the orthodontic treatment and shows long-term stability through dental compensation within the alveolar bone housing. This case report aimed to describe the orthodontic treatment of maxillary occlusal plane canting caused by severely extruded maxillary teeth in a patient with skeletal facial asymmetry that was corrected with PMSO along with protraction of the lower second molar to replace the space of the extracted first molar. The treatment duration was 18 months, and stable results were obtained after 2 years of retention.

摘要

由于磨牙过早缺失以及相邻牙齿随之漂移导致的后牙咬合塌陷的正畸治疗较为复杂。当面部不对称患者出现后牙咬合塌陷时，掩饰性正畸治疗需要进行横向和垂直补偿。在这种情况下，上颌后份节段性骨切开术（PMSO）可以是一种有效的替代方法，它能简化正畸治疗，并通过牙槽骨内的牙齿代偿实现长期稳定性。本病例报告旨在描述一名骨骼性面部不对称患者因上颌牙齿严重伸长导致上颌咬合平面倾斜的正畸治疗，该患者接受了PMSO治疗，并通过牵引下颌第二磨牙来替代拔除的第一磨牙的间隙。治疗疗程为18个月，保持2年后获得了稳定的效果。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/fa83b63da47a/KJOD-50-278-f14.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/6ef2a5d76c22/KJOD-50-278-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/d291999105c2/KJOD-50-278-f11.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/63deb26db5bb/KJOD-50-278-f13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/fa83b63da47a/KJOD-50-278-f14.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/af1d0d0055b4/KJOD-50-278-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/b66dc1144603/KJOD-50-278-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/f886dd70f244/KJOD-50-278-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/4663039d6fc0/KJOD-50-278-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/ff85a91c4fc2/KJOD-50-278-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/901321105fbf/KJOD-50-278-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/cf5481d434b6/KJOD-50-278-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/e025927b4915/KJOD-50-278-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/c14fbc423b82/KJOD-50-278-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/6ef2a5d76c22/KJOD-50-278-f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/d291999105c2/KJOD-50-278-f11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/0468688eefef/KJOD-50-278-f12.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/63deb26db5bb/KJOD-50-278-f13.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7344/7369388/fa83b63da47a/KJOD-50-278-f14.jpg

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本文引用的文献

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Molar Uprighting: A Considerable and Safe Decision to Avoid Prosthetic Treatment.磨牙直立：避免修复治疗的一个重要且安全的选择。
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Targeted presurgical decompensation in patients with yaw-dependent facial asymmetry.针对偏航依赖性面部不对称患者的术前针对性失代偿治疗。
Korean J Orthod. 2017 May;47(3):195-206. doi: 10.4041/kjod.2017.47.3.195. Epub 2017 Mar 13.
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Defining the location of the dental midline is critical for oral esthetics in camouflage orthodontic treatment of facial asymmetry.
在面部不对称的掩饰性正畸治疗中，确定牙中线的位置对于口腔美学至关重要。
Am J Orthod Dentofacial Orthop. 2016 Dec;150(6):1028-1038. doi: 10.1016/j.ajodo.2015.10.035.
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Elimination of transverse dental compensation is critical for treatment of patients with severe facial asymmetry.消除横向牙齿代偿对于治疗严重面部不对称的患者至关重要。
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