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Lateral cephalometric analysis for treatment planning in orthodontics based on MRI compared with radiographs: a feasibility study in children and adolescents

The objective of this prospective study was to evaluate whether magnetic resonance imaging (MRI) is equivalent to lateral cephalometric radiographs (LCR, “gold standard”) in cephalometric analysis. Methods The applied MRI technique was optimized for short scanning time, high resolution, high contr...

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Hauptverfasser: Heil, Alexander (VerfasserIn) , Lazo Gonzales, Eduardo (VerfasserIn) , Hilgenfeld, Tim (VerfasserIn) , Vollmuth, Philipp (VerfasserIn) , Bendszus, Martin (VerfasserIn) , Heiland, Sabine (VerfasserIn) , Ozga, Ann-Kathrin (VerfasserIn) , Sommer, Andreas Berthold (VerfasserIn) , Lux, Christopher J. (VerfasserIn) , Zingler, Sebastian (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: March 23, 2017
In: PLOS ONE
Year: 2017, Jahrgang: 12, Heft: 3
ISSN:1932-6203
DOI:10.1371/journal.pone.0174524
Online-Zugang:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1371/journal.pone.0174524
Verlag, kostenfrei, Volltext: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0174524
Volltext
Verfasserangaben:Alexander Heil, Eduardo Lazo Gonzalez, Tim Hilgenfeld, Philipp Kickingereder, Martin Bendszus, Sabine Heiland, Ann-Kathrin Ozga, Andreas Sommer, Christopher J. Lux, Sebastian Zingler
Beschreibung
Zusammenfassung:The objective of this prospective study was to evaluate whether magnetic resonance imaging (MRI) is equivalent to lateral cephalometric radiographs (LCR, “gold standard”) in cephalometric analysis. Methods The applied MRI technique was optimized for short scanning time, high resolution, high contrast and geometric accuracy. Prior to orthodontic treatment, 20 patients (mean age ± SD, 13.95 years ± 5.34) received MRI and LCR. MRI datasets were postprocessed into lateral cephalograms. Cephalometric analysis was performed twice by two independent observers for both modalities with an interval of 4 weeks. Eight bilateral and 10 midsagittal landmarks were identified, and 24 widely used measurements (14 angles, 10 distances) were calculated. Statistical analysis was performed by using intraclass correlation coefficient (ICC), Bland-Altman analysis and two one-sided tests (TOST) within the predefined equivalence margin of ± 2°/mm.
Beschreibung:Gesehen am 21.07.2017
Beschreibung:Online Resource
ISSN:1932-6203
DOI:10.1371/journal.pone.0174524

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