Elsevier

International Orthodontics

Volume 3, Issue 4, December 2005, Pages 269-289
International Orthodontics

Article original
Mesures volumétriques des bases osseuses maxillaires et des cavités aériennes de la face en imagerie 3DVolumetric measurements of maxillary basal bones and facial air cavities using 3D imagery

https://doi.org/10.1016/S1761-7227(05)82655-5Get rights and content

Résumé

Le but de cette étude est d’isoler et de calculer les volumes des os et cavités aériennes de la face à partir d’images Scanner 3D, sur un échantillon de personnes adultes (N = 98). Le maxillaire, la mandibule, le sinus maxillaire, les cavités nasales, les sinus ethmoïdaux et frontaux ont été mesurés après sélection sur les coupes axiales multiplanaires. Deux modélisations du maxillaire à 9 points et à 6 points ont été créées, et mesurées à leur tour. Les moyennes des volumes obtenus sont : 54,3 cm3 pour la mandibule, 30,64 cm3 pour le maxillaire, 29,50 cm3 pour les sinus maxillaires, 17,62 cm3 pour les cavités nasales, 8,45 cm3 pour les sinus ethmoïdaux, 7,24 cm3 pour les sinus frontaux. Les corrélations linéaires entre tous les volumes ont été mesurées et font apparaître des valeurs significatives entre les volumes osseux et les volumes aériens, ainsi qu’entre le volume maxillaire et le volume de ses deux modèles.

Summary

The aim of this study is to isolate and calculate the volumes of the facial bones and air cavities using 3D CT scan images on a sample of adults (N = 98). The maxilla, the mandible, the maxillary sinuses, the nasal cavities, the ethmoidal sinuses and the frontal sinuses were measured after selection on axial multiplanar slices. Two modelizations (9 points and 6 points) of the maxilla were made and measured. The mean volumes of the mandible, maxilla, maxillary sinuses, nasal cavities, ethmoidal sinuses and frontal sinuses were, respectively: 54.3 cm3, 30.64 cm3, 29.50 cm3, 17.6 cm3, 8.45 cm3, and 7.24 cm3. The linear correlations between all the volumes were measured. They show significant values between the osseous volume and the air cavitiy volumes, as well as between the maxilla volume and the volume of the two maxillary models.

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