Document Detail

Risk factors for a bad split during sagittal split osteotomy.
MedLine Citation:
PMID:  18063456     Owner:  NLM     Status:  MEDLINE    
One of the operative complications during sagittal split osteotomy (SSO) in orthognatic surgery is a bad split, meaning an undesired fracture of the mandible during osteotomy. The aim of this study was to find out if there is a relation between the occurrence of bad splits during SSO and the presence of third molars, the patient's age, or the surgeon's experience. Clinical notes of 110 consecutive patients who had had a total of 220 SSOs using the Obwegeser/Dal Pont technique were evaluated and divided into three groups: 1 missing third molar (n=168); 2 retained or impacted third molar that was removed during the SSO (n=23); and 3 third molar left in place during SSO (n=29). There were a total of 12 (6%) bad splits. 9 (5%) in group 1, two (9%) in group 2, and one (3%) in group 3. There were no significant differences between groups 1-3, in particular the surgeon's qualification had no influence on the incidence. Older patients seemed more at risk of a bad split than younger ones.
Marcus Stephan Kriwalsky; Peter Maurer; Rafael Block Veras; Alexander Walter Eckert; Johannes Schubert
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Publication Detail:
Type:  Journal Article     Date:  2007-12-03
Journal Detail:
Title:  The British journal of oral & maxillofacial surgery     Volume:  46     ISSN:  1532-1940     ISO Abbreviation:  Br J Oral Maxillofac Surg     Publication Date:  2008 Apr 
Date Detail:
Created Date:  2008-03-10     Completed Date:  2008-03-27     Revised Date:  2009-05-20    
Medline Journal Info:
Nlm Unique ID:  8405235     Medline TA:  Br J Oral Maxillofac Surg     Country:  Scotland    
Other Details:
Languages:  eng     Pagination:  177-9     Citation Subset:  D; IM    
Department of Oral and Plastic Maxillofacial Surgery, Martin-Luther-University Halle-Wittenberg, Head: Prof. Dr. Dr. Johannes Schubert, Ernst-Grube-Strasse 40, D-06097 Halle, Germany.
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MeSH Terms
Age Factors
Epidemiologic Methods
Mandibular Fractures / epidemiology,  etiology*,  surgery
Middle Aged
Molar, Third* / radiography,  surgery
Osteotomy / adverse effects*,  methods
Risk Factors
Tooth, Impacted / radiography,  surgery

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