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1.
Journal of Biomedical Engineering ; (6): 1073-1078, 2007.
Artículo en Chino | WPRIM | ID: wpr-346007

RESUMEN

This paper presents our work on the research process of virtual articulator simulation. Firstly, plaster models of upper jaw and low jaw are measured by 3D-optical measuring system and processed to get the available data. Secondly, complex physical modeling of the jaw motion is simplified and decomposed to a series of position transform, such as translation, rotation, etc.. Thirdly, opening/closing movement and laterotrusion is simulated by real-time updating display. Fourthly, the efficient collision detection algorithm is applied to dynamically compute occlusal contact regions and cutaway view. Finally, the current shortage of the virtual articulator simulation is discussed in detail and research prospect is forecasted.


Asunto(s)
Humanos , Simulación por Computador , Articuladores Dentales , Oclusión Dental , Imagenología Tridimensional , Maxilares , Fisiología , Modelos Biológicos
2.
Journal of Biomedical Engineering ; (6): 129-132, 2007.
Artículo en Chino | WPRIM | ID: wpr-331381

RESUMEN

This paper introduced the fabrication process of the fused porcelain to molar crown with CAD/CAM technology. Firstly, preparation teeth data was retrieved by the 3D-optical measuring system. Then, we have reconstructed the inner surface designed the outer surface shape with the computer aided design software. Finally, the mini high-speed NC milling machine was used to produce the fused porcelain to CAD/CAM molar crown. The result has proved that the fabrication process is reliable and efficient. The dental restoration quality is steady and precise.


Asunto(s)
Humanos , Diseño Asistido por Computadora , Coronas , Porcelana Dental , Diseño de Prótesis Dental , Diente Molar
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