Abstract | OBJECTIVE: The aim of this study was to evaluate the influence of different splitting techniques, namely, "mallet and chisel" versus "spreading and prying", used during bilateral sagittal split osteotomy ( BSSO) on postoperative hypoesthesia outcomes. STUDY DESIGN: We systematically searched the PubMed and Cochrane databases (from January 1957 to November 2012) for studies that examined postoperative neurosensory disturbance (NSD) of the inferior alveolar nerve (IAN) after BSSO. RESULTS: Our initial PubMed search identified 673 studies, of which, 14 met our inclusion criteria. From these 14 studies, 3 groups were defined: (1) no chisel use (4.1% NSD/site), (2) undefined chisel use (18.4% NSD/site), and (3) explicit chisel use along the buccal cortex (37.3% NSD/site). CONCLUSION: Study heterogeneity and a frequent lack of surgical detail impeded our ability to make precise comparisons between studies. However, the group of studies explicitly describing chisel use along the buccal cortex showed the highest incidence of NSD. Moreover, comparison of the study that did not use chisels with the 2 studies that explicitly described chisel use revealed a possible disadvantage of the "mallet and chisel" group (4.1% versus 37.3% NSD/site). These results suggest that chisel use increases NSD risk after BSSO.
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Authors | Gertjan Mensink, Peter J J Gooris, J Eelco Bergsma, Erik van Hooft, J P Richard van Merkesteyn |
Journal | Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery
(J Craniomaxillofac Surg)
Vol. 42
Issue 6
Pg. 976-82
(Sep 2014)
ISSN: 1878-4119 [Electronic] Scotland |
PMID | 24503389
(Publication Type: Journal Article, Review, Systematic Review)
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Copyright | Copyright © 2014 European Association for Cranio-Maxillo-Facial Surgery. Published by Elsevier Ltd. All rights reserved. |
Topics |
- Humans
- Hypesthesia
(etiology)
- Mandibular Nerve
(physiopathology)
- Osteotomy, Sagittal Split Ramus
(adverse effects, instrumentation, methods)
- Postoperative Complications
- Trigeminal Nerve Injuries
(etiology)
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