Modeling and Simulation of an Orthodontic System of a Real Patient Starting from CBCT Images

Abstract

The paper first presented the stages of obtaining a virtual model of a female patient, aged 13 years and who had multiple dental malpositions. The patient underwent a CT scan, and CT images were initially processed using the InVesalius program and three-dimensional geometries were obtained, both for the mandible and jaw, but also for the dental structure. These primary geometries were processed, edited and transformed using Reverse Engineering techniques in the Geomagic program. Dental alveoli were obtained in SolidWorks using CAD methods and techniques. Bracket elements and orthodontic wires were also generated in SolidWorks. Interference solids have been removed by various processes so that the model is geometrically accurate. Finally, these structures formed of virtual solids recomposed the orthodontic system of the analyzed patient. The custom model was exported to Ansys, where it was analyzed and result maps were obtained. Finally, interesting conclusions and some clinical observations were highlighted.