Document Detail

Bilateral sagittal split osteotomies versus mandibular distraction osteogenesis: a prospective clinical trial comparing inferior alveolar nerve function and complications.
MedLine Citation:
PMID:  20452186     Owner:  NLM     Status:  MEDLINE    
The aim of this study was to conduct a prospective clinical trial comparing the neurosensory function of the inferior alveolar nerve (IAN) after mandibular advancement surgery with either bilateral sagittal split osteotomies (BSSO) or mandibular distraction ostoegenesis (MDO). 23 Class II mandibular hypoplasia patients requiring mandibular advancement were randomized into two groups for either BSSO or MDO. Subjective and objective neurosensory evaluations were performed preoperatively and at the following postoperative times: 2 weeks (TBD1), 6 weeks (TBD2), 12 weeks (TBD3), 6 months (TBD4) and 12 months (TBD5). Subjective evaluation included the use of a visual analogue scale (VAS). Objective evaluation included the use of light touch (LT), two-point discrimination (2PD) and pain detection threshold (PD) tests. Intra-operative or postoperative complications were recorded. Using a mixed model, no significant differences were reported in subjective VAS scores and objective LT, 2PD and PD scores between the BSSO and MDO groups over 12 months (p>0.05). Common postoperative complications included localized wound infection (BSSO=2, MDO=6) and condylar resorption (BSSO=1, MDO=1).
A Ow; L K Cheung
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial     Date:  2010-05-07
Journal Detail:
Title:  International journal of oral and maxillofacial surgery     Volume:  39     ISSN:  1399-0020     ISO Abbreviation:  Int J Oral Maxillofac Surg     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-08-16     Completed Date:  2010-11-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8605826     Medline TA:  Int J Oral Maxillofac Surg     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  756-60     Citation Subset:  D; IM    
Copyright Information:
Copyright 2010 International Association of Oral and Maxillofacial Surgeons. Published by Elsevier Ltd. All rights reserved.
Discipline of Oral and Maxillofacial Surgery, Faculty of Dentistry, The University of Hong Kong, Prince Philip Dental Hospital, 34 Hospital Road, Hong Kong SAR.
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MeSH Terms
Cranial Nerve Injuries / etiology*,  prevention & control
Discrimination (Psychology) / physiology
Follow-Up Studies
Malocclusion, Angle Class II / surgery
Mandible / innervation,  surgery
Mandibular Advancement / adverse effects,  methods*
Mandibular Nerve / injuries*
Orthognathic Surgical Procedures / adverse effects,  methods
Osteogenesis, Distraction / adverse effects*,  methods
Osteotomy / adverse effects*,  methods
Pain Threshold / physiology
Prospective Studies
Retrognathism / surgery*
Touch / physiology
Treatment Outcome
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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