Document Detail

Risk factors affecting somatosensory function after sagittal split osteotomy.
MedLine Citation:
PMID:  18280379     Owner:  NLM     Status:  MEDLINE    
PURPOSE: The aim of this study was to evaluate potential individual and intraoperative risk factors associated with bilateral sagittal split osteotomy (BSSO) and to correlate the findings with postoperative changes in somatosensory function. PATIENTS AND METHODS: A total of 18 men and 29 women (mean age, 31 +/- 10 years) scheduled for BSSO participated in 1 session before BSSO and 5 sessions after BSSO (at 2 and 14 days and 3, 6, and 12 months). At each session, subjective oral sensation was scored and quantitative sensory tests were performed. RESULTS: The results showed that complete exposure and free dissection of the inferior alveolar nerve during BSSO increased self-reported changes in lower lip sensation and lower lip tactile threshold after BSSO (P < .01). Long surgical movements reduced self-perceived jaw-opening function and impaired 2-point discrimination (P < .05). Significant correlations were noted between preoperative values for somatosensory function and changes in these variables after BSSO. Patients with low sensory thresholds before BSSO experienced more impairment than those patients with higher preoperative sensory thresholds. CONCLUSION: These findings imply that somatosensory function after BSSO is dependent on both intraoperative risk factors and preoperative sensation levels.
Torben H Thygesen; Allan Bardow; Malene Helleberg; Sven Erik Norholt; John Jensen; Peter Svensson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons     Volume:  66     ISSN:  1531-5053     ISO Abbreviation:  J. Oral Maxillofac. Surg.     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-02-18     Completed Date:  2008-03-13     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8206428     Medline TA:  J Oral Maxillofac Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  469-74     Citation Subset:  AIM; D; IM    
Department of Oral and Maxillofacial Surgery, Aarhus University Hospital, Aarhus, Denmark.
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MeSH Terms
Age Factors
Epidemiologic Methods
Intraoperative Period
Lip / innervation
Mandible / surgery*
Mandibular Nerve / injuries*
Oral Surgical Procedures / adverse effects*
Osteotomy / adverse effects*
Pain Measurement
Postoperative Complications / etiology*
Sex Factors
Somatosensory Disorders / etiology*

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

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