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Intraoperative 3D imaging of the facial skeleton using the SIREMOBIL Iso-C^3D

¹ Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, Hamburg, Germany; ² Siemens AG, Medical Solutions, Erlangen, Germany; ³ Department of Oral Radiology, University Hospital Hamburg-Eppendorf, Hamburg, Germany

*Correspondence to: Dr Max Heiland, Department of Oral and Maxillofacial Surgery, University Hospital Hamburg-Eppendorf, Martinistr. 52, D-20246 Hamburg, Germany; Email: heiland{at}uke.uni-hamburg.de

Received 20 August 2003; accepted 19 March 2004

Objectives: With respect to high-contrast structures, cone beam computed tomography (CBCT) offers an alternative imaging modality to computed tomography (CT), requiring less radiation exposure. The C-arm system SIREMOBIL Iso-C^3D for three-dimensional (3D) reconstruction has made this modality available for intraoperative use. This paper presents the first intraoperative images of the facial skeleton using the SIREMOBIL Iso-C^3D.

Methods: Cases of a zygomaticomaxillary complex fracture, a mandibular angle fracture and a bimaxillary repositioning osteotomy are described to demonstrate the application possibilities of this system in maxillofacial surgery.

Results: In addition to the uncomplicated handling of the SIREMOBIL Iso-C^3D, generally important was the low level of metal artefacts in its primary and secondary reconstructions, even in close proximity to the material. However, it has to be kept in mind that while soft tissues are visualized using CBCT, information about soft tissue quality cannot be obtained.

Conclusion: The SIREMOBIL Iso-C^3D generates intraoperative data sets suitable for the visualization of the facial bones after open reduction of fractures.

Keywords: fluoroscopy; cone beam computed tomography; intraoperative 3D imaging; facial skeleton

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