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Conference Paper: Stability and morbidities of Le Fort I osteotomies with bioresorbable fixation - a randomized controlled trial

TitleStability and morbidities of Le Fort I osteotomies with bioresorbable fixation - a randomized controlled trial
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, v. 34 suppl. 1, p. 115, abstract no. O.424 How to Cite?
AbstractINTRODUCTION: A randomized controlled clinical trial was conducted to compare bioresorbable with titanium mini-plates and screws in Le Fort I maxillary osteotomies for evaluation of clinical morbidities and stability. METHODS: Fourty patients requiring Le Fort I osteotomies were randomly assigned to 2 groups. One group received bioresorbable mini-plate fixation and the other received titanium plate fixation. Stability of the maxilla was determined by serial cephalometric analysis at 2 and 6 weeks and at 3, 6 and 12 months postoperatively. Subjective and objective assessment of clinical morbidities was evaluated prospectively. RESULTS: There were no differences in complications between the two groups. Maxillae with bioresorbable fixation were significantly more mobile at the second post-operative week. Bioresorbable plates were initially more easily palpable, but palpability decreased with time. Titanium plates became significantly palpable at the 1-year follow-up period. There was no difference in neurosensory disturbance. Maxillae with bioresorbable plate fixation showed significantly more upward displacement from the 2−6th post-operative week. The horizontal and angular relapses in the 2 groups were comparable. Bioresorbable fixation in Le Fort I osteotomy produces no more morbidities. CONCLUSIONS: Bioresorbable plate fixation is confirmed to be an acceptable alternative to l titanium mini-plate fixation in Le Fort I osteotomy. There were no significant differences in morbidities in the first year following the operation. The Le Fort I maxilla with bioresorbable fixation is expected to be slightly mobile within the first 6 post-operative weeks with associated superior displacement. The long-term stability of in horizontal and vertical planes was similar.
DescriptionThis journal suppl. entitled: Abstracts from the XVIIIth Congress of the European Association for Cranio-Maxillofacial Surgery, Barcelona, Spain, 12–15 September 2006
Persistent Identifierhttp://hdl.handle.net/10722/94557
ISSN
2015 Impact Factor: 1.592
2015 SCImago Journal Rankings: 1.010

 

DC FieldValueLanguage
dc.contributor.authorYip, IHSen_HK
dc.contributor.authorCheung, LKen_HK
dc.contributor.authorChow, RLKen_HK
dc.date.accessioned2010-09-25T15:34:56Z-
dc.date.available2010-09-25T15:34:56Z-
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, v. 34 suppl. 1, p. 115, abstract no. O.424en_HK
dc.identifier.issn1010-5182en_HK
dc.identifier.urihttp://hdl.handle.net/10722/94557-
dc.descriptionThis journal suppl. entitled: Abstracts from the XVIIIth Congress of the European Association for Cranio-Maxillofacial Surgery, Barcelona, Spain, 12–15 September 2006-
dc.description.abstractINTRODUCTION: A randomized controlled clinical trial was conducted to compare bioresorbable with titanium mini-plates and screws in Le Fort I maxillary osteotomies for evaluation of clinical morbidities and stability. METHODS: Fourty patients requiring Le Fort I osteotomies were randomly assigned to 2 groups. One group received bioresorbable mini-plate fixation and the other received titanium plate fixation. Stability of the maxilla was determined by serial cephalometric analysis at 2 and 6 weeks and at 3, 6 and 12 months postoperatively. Subjective and objective assessment of clinical morbidities was evaluated prospectively. RESULTS: There were no differences in complications between the two groups. Maxillae with bioresorbable fixation were significantly more mobile at the second post-operative week. Bioresorbable plates were initially more easily palpable, but palpability decreased with time. Titanium plates became significantly palpable at the 1-year follow-up period. There was no difference in neurosensory disturbance. Maxillae with bioresorbable plate fixation showed significantly more upward displacement from the 2−6th post-operative week. The horizontal and angular relapses in the 2 groups were comparable. Bioresorbable fixation in Le Fort I osteotomy produces no more morbidities. CONCLUSIONS: Bioresorbable plate fixation is confirmed to be an acceptable alternative to l titanium mini-plate fixation in Le Fort I osteotomy. There were no significant differences in morbidities in the first year following the operation. The Le Fort I maxilla with bioresorbable fixation is expected to be slightly mobile within the first 6 post-operative weeks with associated superior displacement. The long-term stability of in horizontal and vertical planes was similar.-
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.titleStability and morbidities of Le Fort I osteotomies with bioresorbable fixation - a randomized controlled trialen_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. 115&epage=&date=2006&atitle=Stability+and+morbidities+of+Le+Fort+I+osteotomies+with+bioresorbable+fixation+-+a+randomized+controlled+trialen_HK
dc.identifier.emailCheung, LK: lkcheung@hkucc.hku.hken_HK
dc.identifier.authorityCheung, LK=rp00013en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S1010-5182(06)60446-0-
dc.identifier.hkuros127062en_HK
dc.identifier.volume34en_HK
dc.identifier.issuesuppl. 1en_HK
dc.identifier.spage115, abstract no. O.424-
dc.identifier.epage115, abstract no. O.424-

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