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Conference Paper: Cleft distraction versus orthognathic surgery - which one causes less disturbance on resonance?

TitleCleft distraction versus orthognathic surgery - which one causes less disturbance on resonance?
Authors
Issue Date2006
PublisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/jcms
Citation
The 18th Congress of the European Association for Cranio-Maxillofacial Surgery, Barcelona, Spain, 12-15 September 2006. In Journal of Cranio-Maxillofacial Surgery, 2006, v. 34 suppl. 1, p. 37-38, abstract no. O.132 How to Cite?
AbstractObjective: To compare the speech outcome of cleft lip and palate patients (CLP) undergoing maxillary Le Fort I advancement by either distraction osteogenesis with internal distractor or conventional osteotomy with miniplate fixation. Methods: This is a prospective randomized controlled study comparing the two treatment techniques with CLP needing maxillary advancement of 4–10 mm. All patients received full speech assessment pre-operatively and at 3 months post-operatively. Nasalance data were collected and analysed using the Kay Elemetrics Model 6200 Nasometer. A nasalance value higher than 30% was considered to be suggestive of hypernasality. Results: Fifteen patients underwent distraction and 15 had conventional osteotomy. In the distraction group, 2 patients who had nasalance scores of above 30% pre-operatively were noted to have decreased at 3 months post-op. One patient who had nasalance scores of below 30% pre-operatively had a score of 32.88% postoperatively. In the osteotomy group, one patient with a nasalance score of more than 32.87% was found to have a score of 41.15% at 3 months post-op. Four patients who had a nasalance score below 30% had an increase to more than 30% post-operatively which was considered to be indicative of hypernasality. Conclusion: Advancement of the cleft maxilla can result in either increases or decreases in nasalance in the early post-operative period for both surgical methods. The study illustrates individual differences in compensation to structural changes, as well as the need for longer-term follow-up, as planned in our study.
Persistent Identifierhttp://hdl.handle.net/10722/94150
ISSN
2015 Impact Factor: 1.592
2015 SCImago Journal Rankings: 1.010

 

DC FieldValueLanguage
dc.contributor.authorChua, HDPen_HK
dc.contributor.authorWhitehill, TLen_HK
dc.contributor.authorSamman, Nen_HK
dc.contributor.authorCheung, LKen_HK
dc.date.accessioned2010-09-25T15:22:52Z-
dc.date.available2010-09-25T15:22:52Z-
dc.date.issued2006en_HK
dc.identifier.citationThe 18th Congress of the European Association for Cranio-Maxillofacial Surgery, Barcelona, Spain, 12-15 September 2006. In Journal of Cranio-Maxillofacial Surgery, 2006, v. 34 suppl. 1, p. 37-38, abstract no. O.132en_HK
dc.identifier.issn1010-5182en_HK
dc.identifier.urihttp://hdl.handle.net/10722/94150-
dc.description.abstractObjective: To compare the speech outcome of cleft lip and palate patients (CLP) undergoing maxillary Le Fort I advancement by either distraction osteogenesis with internal distractor or conventional osteotomy with miniplate fixation. Methods: This is a prospective randomized controlled study comparing the two treatment techniques with CLP needing maxillary advancement of 4–10 mm. All patients received full speech assessment pre-operatively and at 3 months post-operatively. Nasalance data were collected and analysed using the Kay Elemetrics Model 6200 Nasometer. A nasalance value higher than 30% was considered to be suggestive of hypernasality. Results: Fifteen patients underwent distraction and 15 had conventional osteotomy. In the distraction group, 2 patients who had nasalance scores of above 30% pre-operatively were noted to have decreased at 3 months post-op. One patient who had nasalance scores of below 30% pre-operatively had a score of 32.88% postoperatively. In the osteotomy group, one patient with a nasalance score of more than 32.87% was found to have a score of 41.15% at 3 months post-op. Four patients who had a nasalance score below 30% had an increase to more than 30% post-operatively which was considered to be indicative of hypernasality. Conclusion: Advancement of the cleft maxilla can result in either increases or decreases in nasalance in the early post-operative period for both surgical methods. The study illustrates individual differences in compensation to structural changes, as well as the need for longer-term follow-up, as planned in our study.-
dc.languageengen_HK
dc.publisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/jcmsen_HK
dc.relation.ispartofJournal of Cranio-Maxillofacial Surgeryen_HK
dc.titleCleft distraction versus orthognathic surgery - which one causes less disturbance on resonance?en_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1010-5182&volume=34 &issue=suppl. S1&spage=p. 37&epage=&date=2006&atitle=Cleft+distraction+versus+orthognathic+surgery+-+which+one+cause+less+disturbance+on+resonance?en_HK
dc.identifier.emailWhitehill, TL: tara@hku.hken_HK
dc.identifier.emailSamman, N: nsamman@hkucc.hku.hken_HK
dc.identifier.emailCheung, LK: lkcheung@hkucc.hku.hken_HK
dc.identifier.authorityWhitehill, TL=rp00970en_HK
dc.identifier.authoritySamman, N=rp00021en_HK
dc.identifier.authorityCheung, LK=rp00013en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S1010-5182(06)60161-3-
dc.identifier.hkuros126722en_HK
dc.identifier.volume34en_HK
dc.identifier.issuesuppl. 1en_HK
dc.identifier.spage37, abstract no. O.132-
dc.identifier.epage38-

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