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Title: Attachment Rate of the Inferior Alveolar Nerve to Buccal Plate During Bilateral Sagittal Split Osteotomy Influences Self-Reported Sensory Impairment
Authors: POLITIS, Constantinus 
SUN, Yi 
Vrielinck, Luc
Schepers, Serge
Agbaje, Jimoh Olubanwo
Issue Date: 2014
Source: JOURNAL OF CRANIOFACIAL SURGERY, 25 (6), p. 2121-2126
Abstract: This study was aimed to investigate a modified buccal osteotomy technique and whether the integrity of the lingual part of the lower border influences the attachment of the neurovascular bundle to the proximal segment of the mandible during a sagittal split osteotomy without increasing the number of bad splits. The presence of self-reported sensibility disturbance in the lower lip at the last follow-up visit was assessed. This study included 220 and 133 patients with bilateral sagittal split osteotomy undergoing the classical and the new modified buccal osteotomy techniques, respectively. In the new technique, the lower border is divided into a lingual fragment that remains incorporated in the tooth-bearing fragment and a buccal fragment that comes with the proximal fragment (buccal plate). In the classical technique, the inferior alveolar nerve was attached to the proximal segment of the mandible in more than one third of operation sites (36.36% on the right and 40.91% on the left) compared with less than one fourth of the operation sites using the new technique (9.73% on the right and 23.01% on the left). The overall figure of self-reported changed sensibility was 09.40% (12/128) in the new technique compared to 15.12% in the classical technique. We present a suitable improvement to the classical buccal osteotomy technique that allows less manipulation and injury of the inferior alveolar nerve with consequent reduction in self-reported postoperative changes in lower lip sensation.
Notes: [Politis, Constantinus; Agbaje, Jimoh Olubanwo] Katholieke Univ Leuven, OMFS IMPATH Res Grp, Dept Imaging & Pathol, Fac Med, Leuven, Belgium. [Politis, Constantinus; Agbaje, Jimoh Olubanwo] Univ Hosp Leuven, Leuven, Belgium. [Politis, Constantinus; Lambrichts, Ivo; Sun, Yi] Hasselt Univ, Fac Med, Diepenbeek, Belgium. [Sun, Yi; Vrielinck, Luc; Schepers, Serge; Agbaje, Jimoh Olubanwo] St Johns Hosp, Genk, Belgium. [Schepers, Serge] Univ Ghent, Fac Med, B-9000 Ghent, Belgium.
Keywords: Buccal osteotomy technique; inferior alveolar nerve; cone beam computed tomography; mandible; complications
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ISSN: 1049-2275
e-ISSN: 1536-3732
DOI: 10.1097/SCS.0000000000001091
ISI #: 000345012000074
Category: A1
Type: Journal Contribution
Validations: ecoom 2015
Appears in Collections:Research publications

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