Publications
Detailed Information
A three-dimensional analysis of soft and hard tissue changes after a mandibular setback surgery
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Nam-Kug | - |
dc.contributor.author | Lee, Cheol | - |
dc.contributor.author | Kang, Suk-Ho | - |
dc.contributor.author | Park, Jae-Woo | - |
dc.contributor.author | Kim, Myung-Jin | - |
dc.contributor.author | Chang, Young-Il | - |
dc.date.accessioned | 2009-08-25 | - |
dc.date.available | 2009-08-25 | - |
dc.date.issued | 2006-09 | - |
dc.identifier.citation | Computer Methods and Programs in Biomedicine 83 (2006) 178-187 | en |
dc.identifier.issn | 0169-2607 | - |
dc.identifier.uri | https://hdl.handle.net/10371/7651 | - |
dc.description.abstract | This paper is concerned with a three-dimensional (3D) analysis on soft and hard tissue
changes after mandibular setback surgery. For comparing with previous two-dimensional (2D) cephalometric data,we proposed a three-dimensional registration and analysis method based on the cephalometric knowledge. The 3D changes of bone, soft tissue and the ratio of soft tissue to bony movement were investigated in eight skeletal class III mandibular prognathism patients. CT scans of each patient were taken at pre- and post-operative states. Each scan was registered to a universal 3D coordinate system defined by cephalometric landmarks. A grid, parallel to the coronal plane,was also designed for the comparison of the changes. The bone and soft tissue was intersected by the projected line from each point on the grid. The coordinate values of intersected point were measured and compared between the pre- and post-operative models. In addition, the reproducibility of the universal coordinate system and the grid was evaluated. The facial surface changes after setback surgery occurred not only in the mandible but also in the mouth corner region. The soft tissue changes of the mandible were measured relatively by the proportional ratios to the bone changes. The ratios at the mid-sagittal plane were 77–102% (p < 0.05). The ratios at all other sagittal planes had similar patterns to the mid-sagittal plane with decreased values. All the results conformed to the previous 2D based clinical knowledge and instinct of orthodontists. It is expected that the proposed approachwould be applicable to other oral and maxillofacial surgeries as well as plastic surgeries. | en |
dc.description.sponsorship | This study was supported by grant No. R01-2006-000-11244-0
from the Basic Research Program of the Korea Science & Engineering Foundation. | en |
dc.language.iso | en | en |
dc.publisher | Elsevier | en |
dc.subject | 3D soft tissue changes | en |
dc.subject | 3D coordinate system | en |
dc.subject | 3D cephalometry | en |
dc.subject | Surgery estimation | en |
dc.subject | Cephalometry based registration | en |
dc.title | A three-dimensional analysis of soft and hard tissue changes after a mandibular setback surgery | en |
dc.type | Article | en |
dc.contributor.AlternativeAuthor | 김남국 | - |
dc.contributor.AlternativeAuthor | 이철 | - |
dc.contributor.AlternativeAuthor | 강석호 | - |
dc.contributor.AlternativeAuthor | 박재우 | - |
dc.contributor.AlternativeAuthor | 김명진 | - |
dc.contributor.AlternativeAuthor | 장영일 | - |
dc.identifier.doi | 10.1016/j.cmpb.2006.06.009 | - |
- Appears in Collections:
- Files in This Item:
- There are no files associated with this item.
Item View & Download Count
Items in S-Space are protected by copyright, with all rights reserved, unless otherwise indicated.