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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/14645

Title: Visibility of mandibular canal on panoramic radiograph after bilateral sagittal split osteotomy (BSSO).
Authors: Politis, Constantinus
Ramirez, Xiomara Botero
Sun, Yi
Lambrichts, Ivo
Heath, Neil
Agbaje, Jimoh Olubanwo
Issue Date: 2013
Citation: SURGICAL AND RADIOLOGIC ANATOMY, 35(3), p. 233-240
Abstract: PURPOSE: This study aimed to assess the visibility of the mandibular canal (MC) on panoramic radiographs after bilateral sagittal split osteotomy (BSSO), and to investigate what factors affect this MC visibility. METHODS: We assessed MC visibility on panoramic radiographs of 200 BSSO patients. Images were acquired preoperatively (T0), immediately postoperatively (T1), 6 months postoperatively (T2), and 1 year postoperatively (T3), from three different predetermined regions of the mandible: the angle (Angle), distally to the second molar (M2), and mesially to the first molar (M1). All analyses were performed using SAS version 9.22. RESULTS: The visibility of the MC was registered preoperatively in over 96 % (387/400) of the measurements at the angle of the mandible, 79 % (317/400) at M2, and <63 % (251/400) at M1. MC visibility decreased immediately after the operation and increased thereafter. Region of the mandible (P </= 0.0001), plate removal (P </= 0.0001), time of assessment (P </= 0.0001), and age (P = 0.0034) were the important predictors of whether MC would be radiographically visible. CONCLUSIONS: The visibility of the MC decreased immediately after BSSO, especially at the operation site (M2 and M1), while maximum MC visibility was achieved at 12 months postoperatively in our series. Since MC was not visible at the operation site after BSSO for 50 % of the subjects, it may be necessary to use additional visualization modalities for postoperative patient assessment in this region.
URI: http://hdl.handle.net/1942/14645
DOI: 10.1007/s00276-012-1026-8
ISI #: 000316573200007
ISSN: 0930-1038
Category: A1
Type: Journal Contribution
Validation: ecoom, 2014
Appears in Collections: Research publications

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