Influência da morfologia facial no volume das vias aéreas superiores
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Data
2011-12-16
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Universidade Federal de Goiás
Resumo
Although controversial, the influence of upper airways in craniofacial morphology has been
extensively studied, though most of the studies were performed in a two-dimensional lateral
cephalograms in assessing complex three-dimensional structures. To better assess the upper
airway Cone Beam Computed Tomography scans are being increasingly used as a means of
diagnosis. The objective of this study was to evaluate three-dimensional variations in the
volumes of the upper airways in patients with different facial morphological characteristics. The
sample consisted of DICOM images (Digital Imaging and Communications in Medicine) of 45
patients previously treated in the Postgraduate Clinic of the Orthodontic Department at the
University of Aarhus, Denmark. The inclusion criterion was that every patient had a 12” CBCTscan (NewTom 3G, QR s.r.l.; AFP Imaging, Elmsford, NY, USA) in occlusion. These files were
imported into a specific software (Mimics 12.13 - Materialise Interactive Medical Image Control
System, Belgium), enabling the reconstruction and image generation in 3D multiplanar cuts,
which allowed its visualization and evaluation in the coronal, sagittal and transverse planes,
besides its three-dimensional structure. The results showed that the volume of upper airway
shown to be influenced by the skeletal pattern, especially when comparing the volume of Class
II patients with volumes of Class III patients and when compared with brachyfacial and dolichos
patients. The volume of the upper airways is influenced by the skeletal pattern, it has been
observed a wide variation in the volume of airways independent of sagittal or vertical skeletal
pattern.
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Citação
LENZA, M. M. O. Influência da morfologia facial no volume das vias aéreas superiores. 2011. 54 f. Dissertação (Mestrado em Odontologia) - Universidade Federal de Goiás, Goiânia, 2011.