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Electromagnetic navigated positioning of the maxilla after Le Fort I osteotomy in preclinical orthognathic surgery cases

Objectives Inaccuracies in orthognathic surgery can be caused during face-bow registration, model surgery on plaster models, and intermaxillary splint manufacturing. Electromagnetic (EM) navigation is a promising method for splintless digitized maxillary positioning. Study Design After performing Le...

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Bibliographische Detailangaben
Hauptverfasser: Berger, Moritz (VerfasserIn) , Nova, Igor (VerfasserIn) , Kallus, Sebastian (VerfasserIn) , Ristow, Oliver (VerfasserIn) , Eisenmann, Urs (VerfasserIn) , Freudlsperger, Christian (VerfasserIn) , Seeberger, Robin (VerfasserIn) , Hoffmann, Jürgen (VerfasserIn) , Dickhaus, Hartmut (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 14 October 2016
In: Oral surgery, oral medicine, oral pathology and oral radiology
Year: 2017, Jahrgang: 123, Heft: 3, Pages: 298-304
ISSN:2212-4411
DOI:10.1016/j.oooo.2016.10.005
Online-Zugang:Verlag, Volltext: http://dx.doi.org/10.1016/j.oooo.2016.10.005
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S2212440316306186
Volltext
Verfasserangaben:Moritz Berger, Igor Nova, Sebastian Kallus, Oliver Ristow, Urs Eisenmann, Christian Freudlsperger, Robin Seeberger, Jürgen Hoffmann, Hartmut Dickhaus
Beschreibung
Zusammenfassung:Objectives Inaccuracies in orthognathic surgery can be caused during face-bow registration, model surgery on plaster models, and intermaxillary splint manufacturing. Electromagnetic (EM) navigation is a promising method for splintless digitized maxillary positioning. Study Design After performing Le Fort I osteotomy on 10 plastic skulls, the target position of the maxilla was guided by an EM navigation system. Specially implemented software illustrated the target position by real-time multistage colored three-dimensional imaging. Accuracy was determined by using pre- and postoperative cone beam computed tomography. Results The high accuracy of the EM system was underlined by the fact that it had a navigated maxilla position discrepancy of only 0.4 mm, which was verified by postoperative cone beam computed tomography. Conclusions This preclinical study demonstrates a precise digitized approach for splintless maxillary repositioning after Le Fort I osteotomy. The accuracy and intuitive illustration of the introduced EM navigation system is promising for potential daily use in orthognathic surgery.
Beschreibung:Gesehen am 03.05.2018
Beschreibung:Online Resource
ISSN:2212-4411
DOI:10.1016/j.oooo.2016.10.005

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