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Title

Stability after bilateral sagittal split osteotomy setback surgery with rigid internal fixation: a systematic review

Authors
Vassalli, Isabella Maria
Published in Journal of Oral and Maxillofacial Surgery. 2008, vol. 66, no. 8, p. 1634-43
Abstract PURPOSE: The purpose of this systematic review was to evaluate relapse and its causes in bilateral sagittal split setback osteotomy with rigid internal fixation. MATERIALS AND METHODS: Literature research was done in databases such as PubMed, Ovid, the Cochrane Library, and Google Scholar Beta. From the original 488 articles identified, 14 articles were finally included. Only 5 studies were prospective and 9 retrospective. The range of postoperative study records was from 6 weeks to 12.7 years. RESULTS: The horizontal short-term relapse was between 9.9% and 62.1% at point B and between 15.7% and 91.3% at pogonion. Long-term relapse was between 14.9% and 28.0% at point B and between 11.5% and 25.4% at pogonion. CONCLUSIONS: Neither large increase nor decrease of relapse was seen when short-term values were compared with long-term. Bilateral sagittal split osteotomy for mandibular setback in combination with orthodontics is an effective treatment of skeletal Class III and a stable procedure in the short- and long-term. The etiology of relapse is multifactorial: the proper seating of the condyles, the amount of setback, the soft tissue and muscles, remaining growth and remodeling, and gender were identified. Age did not show any correlations. To obtain reliable scientific evidence, further short- and long-term research of bilateral sagittal split osteotomy setback with rigid internal fixation should exclude additional surgery, ie, genioplasty or maxillary surgery, and include correlation statistics.
Keywords Bone ScrewsHumansInternal FixatorsMalocclusion/pathology/surgeryMandible/pathology/surgeryOsteotomy/instrumentation/methodsRecurrence
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PMID: 18634952
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Research group Groupe Kiliaridis Stavros (médecine dentaire) (239)
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(ISO format)
JOSS, Christof, VASSALLI, Isabella Maria. Stability after bilateral sagittal split osteotomy setback surgery with rigid internal fixation: a systematic review. In: Journal of Oral and Maxillofacial Surgery, 2008, vol. 66, n° 8, p. 1634-43. https://archive-ouverte.unige.ch/unige:1191

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Deposited on : 2009-03-19

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