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《Journal of Graphics》 2017-04
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Tooth Modeling Method Based on Tooth Crown and the Features of Tooth Root

LI Zhanli;GAO Tianyu;LI Hongan;WU Fanfei;College of Computer Science and Technology, Xi'an University of Science and Technology;  
Three-dimensional(3D) scanning technology and 3D reconstruction based on CT images are popular methods for tooth modeling recently. However, 3D scanning only can provides partial 3D data of tooth crown, and the data of gingival root wrapped by the gum cannot be collected. Using CT images for 3D reconstruction can get complete data model of tooth, but the process is time-consuming and costly. In order to overcome the weakness of these methods above mentioned, a novel tooth modeling method is proposed based on tooth crown and the features of tooth root. This method establishes association rules for tooth crow and root based on the measured data of tooth, and 3D model is constructed according to the Cardinal spline interpolation and Tangent weight-Laplacian mesh editing. Compared the modeling results and original data, experimental results show that the modeling method is efficient and feasible.
【Fund】: 中国博士后科学基金项目(2016M602941XB);; 陕西省教育厅科研计划项目(16JK1497);; 西安科技大学校级科研培育基金项目(201634)
【CateGory Index】: R783.5;TP391.41
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