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Conference Paper: Facial soft tissue changes resulting from orthognathic surgery: a systematic review

TitleFacial soft tissue changes resulting from orthognathic surgery: a systematic review
Authors
Issue Date2009
PublisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/ijom
Citation
The 19th International Conference on Oral and Maxillofacial Surgery, Shanghai, China, 23-27 May 2009. In International Journal of Oral and Maxillofacial Surgery, 2009, v. 38 n. 5, p. p470 Abstract no. 08.16 How to Cite?
AbstractBackground and Objectives: Orthognathic surgery can lead to significant changes in the facial aesthetics. Reliable predictions of the facial changes are crucial to match the expectation of the patients. Although a number of studies have addressed the postsurgical soft tissue changes, their results have not been systematically analysed. The aim of this study is to provide a systemic review of the facial soft tissue changes resulting from orthognathic surgery. Methods: Several electronic databases (Medline, EMBASE, Cochrane Library, DARE and Scopus) were searched using a set of predetermined keywords. Full manuscripts meeting the inclusion criteria were retrieved and their references were manually searched for missing articles. Full texts of the selected studies were assessed on their methodological quality and were graded accordingly. The study details and outcome data of these reports were extracted using spreadsheets for comparison. Results: Several imaging methods, including cephalometry, two-dimensional photography, stereophotogrammetry, laser scanning and computed tomography have been used to quantify the soft tissue changes. These changes and their ratios corresponding to the osseous movements resulting from different orthognathic procedures will be presented. Most studies evaluated horizontal and vertical facial changes, while reports on transverse changes were minimal. The other identified shortcomings of the studies were non-blinding of assessors, lack of long-term follow-up and small number of subjects. Conclusion: Conventional cephalometric analyses do not have the capability of adequately evaluating three-dimensional facial soft tissue changes from orthognathic surgery. Long-term, prospective clinical trials with three-dimensional quantification are needed to provide sufficient information for predicting the soft tissue changes from orthognathic surgery.
Persistent Identifierhttp://hdl.handle.net/10722/61353
ISSN
2015 Impact Factor: 1.563
2015 SCImago Journal Rankings: 0.854

 

DC FieldValueLanguage
dc.contributor.authorJayaratne, YSN-
dc.contributor.authorZwahlen, RA-
dc.contributor.authorLo, J-
dc.contributor.authorCheung, LK-
dc.date.accessioned2010-07-13T03:37:50Z-
dc.date.available2010-07-13T03:37:50Z-
dc.date.issued2009-
dc.identifier.citationThe 19th International Conference on Oral and Maxillofacial Surgery, Shanghai, China, 23-27 May 2009. In International Journal of Oral and Maxillofacial Surgery, 2009, v. 38 n. 5, p. p470 Abstract no. 08.16-
dc.identifier.issn0901-5027-
dc.identifier.urihttp://hdl.handle.net/10722/61353-
dc.description.abstractBackground and Objectives: Orthognathic surgery can lead to significant changes in the facial aesthetics. Reliable predictions of the facial changes are crucial to match the expectation of the patients. Although a number of studies have addressed the postsurgical soft tissue changes, their results have not been systematically analysed. The aim of this study is to provide a systemic review of the facial soft tissue changes resulting from orthognathic surgery. Methods: Several electronic databases (Medline, EMBASE, Cochrane Library, DARE and Scopus) were searched using a set of predetermined keywords. Full manuscripts meeting the inclusion criteria were retrieved and their references were manually searched for missing articles. Full texts of the selected studies were assessed on their methodological quality and were graded accordingly. The study details and outcome data of these reports were extracted using spreadsheets for comparison. Results: Several imaging methods, including cephalometry, two-dimensional photography, stereophotogrammetry, laser scanning and computed tomography have been used to quantify the soft tissue changes. These changes and their ratios corresponding to the osseous movements resulting from different orthognathic procedures will be presented. Most studies evaluated horizontal and vertical facial changes, while reports on transverse changes were minimal. The other identified shortcomings of the studies were non-blinding of assessors, lack of long-term follow-up and small number of subjects. Conclusion: Conventional cephalometric analyses do not have the capability of adequately evaluating three-dimensional facial soft tissue changes from orthognathic surgery. Long-term, prospective clinical trials with three-dimensional quantification are needed to provide sufficient information for predicting the soft tissue changes from orthognathic surgery.-
dc.languageeng-
dc.publisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/ijom-
dc.relation.ispartofInternational Journal of Oral and Maxillofacial Surgery-
dc.rightsPosting accepted manuscript (postprint): © <year>. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.titleFacial soft tissue changes resulting from orthognathic surgery: a systematic review-
dc.typeConference_Paper-
dc.identifier.emailZwahlen, RA: zwahlen@hku.hk-
dc.identifier.emailLo, J: drjohnlo@hku.hk-
dc.identifier.emailCheung, LK: lkcheung@hkucc.hku.hk-
dc.identifier.authorityZwahlen, RA=rp00055-
dc.identifier.authorityLo, J=rp00041-
dc.identifier.authorityCheung, LK=rp00013-
dc.identifier.hkuros166590-
dc.identifier.volume38-
dc.identifier.issue5-
dc.identifier.spagep470 Abstract no. 08.16-
dc.identifier.epagep470 Abstract no. 08.16-
dc.publisher.placeUnited Kingdom-
dc.description.otherMaxillofacial Surgery, Shanghai, PR China, 23-27 May 2009. In Journal of Oral and Maxillofacial Surgery, 2009, v. 38 n. 5, p. 470 (08.16)-

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