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Evaluation of the Application of Computer-Aided Shape-Adapted Fabricated Titanium Mesh for Mirroring-Reconstructing Orbital Walls in Cases of Late Post-Traumatic Enophthalmos
Zhang, Yi1; He, Yang1; Zhang, Zhi Yong1; An, Jin Gang1
刊名JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY
2010-09-01
DOI10.1016/j.joms.2009.08.029
68期:9页:2070-2075
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Dentistry, Oral Surgery & Medicine
资助者Beijing Municipal Development Foundation ; Beijing Municipal Development Foundation
研究领域[WOS]Dentistry, Oral Surgery & Medicine
关键词[WOS]POLYETHYLENE CHANNEL IMPLANTS ; ISOLATED BLOWOUT FRACTURES ; VOLUME MEASUREMENT ; FLOOR ; TOMOGRAPHY ; SURGERY ; FAT
英文摘要

Purpose: Computer-aided individually shape-adapted fabricated titanium mesh for the mirroring-reconstruction of the orbit is a promising method for the correction of post-traumatic enophthalmos. The purpose of this study was to evaluate the application of this technique and assess the treatment outcomes.

Patients and Methods: Twenty-one patients with delayed treatment of unilateral impure orbital fracture and post-traumatic enophthalmos were included in this study. Computed tomography-based mirroring-reconstruction images of the orbit were obtained for each individual to fabricate anatomically adaptive titanium mesh by computer-aided design and computer-aided manufacturing techniques. After exposing the areas of orbital defect and reducing the herniated soft tissue, the titanium mesh was inserted to reconstruct the internal orbit with a mean deep extension of 29.33 mm. Measurements were performed to assess the change in the degree of enophthalmos and orbital volume before and after surgery. Paired samples t test and Pearson correlation coefficient were employed for statistical analysis.

Results: Follow-up examinations revealed that the degree of enophthalmos decreased to less than 2 mm in 11 patients, 2 to 4 mm in 9 patients, and remained greater than 7 mm in 1 patient. Statistical analysis revealed that post-traumatic enophthalmos in this series was 4.05 +/- 2.02 mm, which was associated with an orbital volume increment of 6.61 +/- 3.63 cm(3), with a regression formula of enophthalmos = 0.446 X orbital volume increment + 2.406. Orbital reconstruction effected a orbital volume decrease of 4.24 +/- 2.41 cm(3) and enophthalmos correction of 2.01 +/- 1.46 mm, the regression formula being enophthalmos = 0.586 X orbital volume decrease + 0.508. After surgery, the degree of unresolved enophthalmos was 2.03 +/- 1.52 mm, and the retained orbital volume expansion was 2.23 +/- 2.86 cm(3), and the regression formula was enophthalmos = 0.494 X orbital volume expansion + 1.415.

Conclusion: Application of the individual fabricated titanium mesh for orbital reconstruction reduced the trauma-induced orbital volume increment by 65% and corrected 50% of severe late enophthalmos. Additional augmentation of orbital contents was required for further correction. The related treatment parameters were suggested. (C) 2010 American Association of Oral and Maxillofacial Surgeons J Oral Maxillofac Surg 68:2070-2075, 2010

语种英语
所属项目编号2007-3008
资助者Beijing Municipal Development Foundation ; Beijing Municipal Development Foundation
WOS记录号WOS:000281835400007
引用统计
被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/53295
专题北京大学口腔医学院
作者单位1.Peking Univ, Dept Oral & Maxillofacial Surg, Sch Stomatol, Beijing 100081, Peoples R China
2.Peking Univ, Dept Oral & Maxillofacial Surg, Hosp Stomatol, Beijing 100081, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Yi,He, Yang,Zhang, Zhi Yong,et al. Evaluation of the Application of Computer-Aided Shape-Adapted Fabricated Titanium Mesh for Mirroring-Reconstructing Orbital Walls in Cases of Late Post-Traumatic Enophthalmos[J]. JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY,2010,68(9):2070-2075.
APA Zhang, Yi,He, Yang,Zhang, Zhi Yong,&An, Jin Gang.(2010).Evaluation of the Application of Computer-Aided Shape-Adapted Fabricated Titanium Mesh for Mirroring-Reconstructing Orbital Walls in Cases of Late Post-Traumatic Enophthalmos.JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY,68(9),2070-2075.
MLA Zhang, Yi,et al."Evaluation of the Application of Computer-Aided Shape-Adapted Fabricated Titanium Mesh for Mirroring-Reconstructing Orbital Walls in Cases of Late Post-Traumatic Enophthalmos".JOURNAL OF ORAL AND MAXILLOFACIAL SURGERY 68.9(2010):2070-2075.
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