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骨性III类错牙合畸形正畸与外科矫治后的长期软组织变化

Long-term soft tissue changes after orthodontic and surgical corrections of skeletal class III malocclusions.

作者信息

Bailey L'Tanya J, Dover Amy Joslin, Proffit William R

机构信息

Department of Orthodontics, School of Dentistry, University of North Carolina, Chapel Hill, NC 27599-7450, USA.

出版信息

Angle Orthod. 2007 May;77(3):389-96. doi: 10.2319/0003-3219(2007)077[0389:LSTCAO]2.0.CO;2.

DOI:10.2319/0003-3219(2007)077[0389:LSTCAO]2.0.CO;2
PMID:17465643
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3740712/
Abstract

OBJECTIVE

To evaluate long-term soft tissue changes after orthodontic and surgical corrections of skeletal Class III malocclusions.

MATERIALS AND METHODS

Postoperative cephalometric radiographs at 1 year and at 5 years or more after treatment were digitized for 92 patients who had surgical correction of their Class III problem by LeFort I maxillary advancement (n = 48), mandibular setback (n = 12), or a combination of the two procedures (n = 32) and for 25 patients who received orthodontic treatment only.

RESULTS

For all groups, the mean changes were quite small. For most measurements, fewer than 20% of patients experienced long-term changes from 2 mm to 4 mm, and fewer than 10% experienced long-term changes greater than 4 mm.

CONCLUSIONS

A smaller percentage of surgically treated Class III patients showed long-term soft tissue changes than did surgically treated Class II patients, but compared with both Class II patients and untreated adults they experienced greater long-term forward projection of the soft tissue chin.

摘要

目的

评估正畸和外科矫治骨性III类错牙合畸形后的长期软组织变化。

材料与方法

对92例通过LeFort I型上颌前徙术（n = 48）、下颌后缩术（n = 12）或两种手术联合（n = 32）进行III类问题外科矫治的患者，以及25例仅接受正畸治疗的患者，将治疗后1年及5年或更长时间的术后头颅侧位片进行数字化处理。

结果

所有组的平均变化都很小。对于大多数测量指标，少于20%的患者出现2毫米至4毫米的长期变化，少于10%的患者出现大于4毫米的长期变化。

结论

与接受外科治疗的II类患者相比，接受外科治疗的III类患者出现长期软组织变化的比例较小，但与II类患者和未治疗的成年人相比，他们的软组织颏部出现了更大的长期向前投影。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/bd96b6245957/nihms-41562-f0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/be5124dd4d0e/nihms-41562-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/17221632dfa9/nihms-41562-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/43969823a78d/nihms-41562-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/81f4c1e9af60/nihms-41562-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/88c0ab8c5526/nihms-41562-f0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/1fbff551d352/nihms-41562-f0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/8d44a4b255ef/nihms-41562-f0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/1ca08c4ee138/nihms-41562-f0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/bd96b6245957/nihms-41562-f0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/be5124dd4d0e/nihms-41562-f0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/17221632dfa9/nihms-41562-f0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/43969823a78d/nihms-41562-f0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/81f4c1e9af60/nihms-41562-f0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/88c0ab8c5526/nihms-41562-f0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/1fbff551d352/nihms-41562-f0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/8d44a4b255ef/nihms-41562-f0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/1ca08c4ee138/nihms-41562-f0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/acb0/3740712/bd96b6245957/nihms-41562-f0009.jpg

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