Rekonstrukciós megoldások CT felvétel alapján készített állkapocsra
Reconstruction solutions for a jaw based on a CT scan
Keywords:
Reverse Engineering, Finite element analysis, Computed Tomography (CT), Implant, Surface modelling, /, Végeselem analízis, Implantátum, FelületmodellezésAbstract
This paper presents a back modeling of the relationship between a lower tooth and the lower jaw and possible finite element analysis methods. The primary goal of the study is to test the tooth-bone relationship itself on a more accurate geometric model. In most of the studies reviewed, a very simplified model is investigated, where each layer of tooth and jaw bone is not treated separately. In our study, the back-modelling focused on reproducing the integration of the tooth into the jaw, which allowed us to decompose the model into layers and to perform a computer simulation study of the whole model. The solid parts of the layered 3D model thus provided the opportunity to apply different material properties to different regions in the finite element analysis.
Kivonat
Jelen tanulmány egy alsó fog és az alsó állkapocs közötti kapcsolat visszamodellezését és lehetséges végeselem analízis módszereit tartalmazza. A tanulmány elsődleges célja, hogy egy sokkal pontosabb geometriai modellen teszteljük le magát a fog és a csont kapcsolatát. A legtöbb megvizsgált tanulmányban egy nagyon leegyszerűsített modellt vizsgálnak, ahol a fog és az állkapocs csont egyes rétegei nincsenek külön kezelve. A mi kutatásunkban a visszamodellezés a fogak állkapocsba való integrációjának reprodukálására összpontosított, amivel lehetőség nyílt a modellek rétegekre bontására és a teljes modell számítógépes szimulációs vizsgálatára. A rétegekre osztott 3D modell szilárd részei ezáltal lehetőséget biztosítottak arra, hogy a végeselemes analízis során különböző anyagtulajdonságokat alkalmazzunk a különböző régiókban.
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