华西口腔医学杂志Issue(1)：71-74,4.DOI:10.7518/hxkq.2015.01.016
光栅投影技术及逆向工程在重建和测量牙颌数字化模型中的应用
Reconstruction and measurement of a digital dental model using grating projection and reverse engineering
摘要
Abstract
Objective This work lays the foundation for establishing a digital model database with normal occlusion. A digital dental cast is acquired through grating projection, and model features are measured through reverse engineering. Methods The grating projection system controlled by a computer was projected onto the surface of a normal dental model. Three-dimensional contour data were obtained through multi-angle shooting. A three-dimensional model was constructed, and the model features were analyzed by using reverse engineering. The digital model was compared with the plaster model to deter-mine the accuracy of the measurement system. Results The structure of three-dimensional reconstruction model was clear. The digital models of two measurements exhibited no significant difference (P>0.05). When digital and plaster models were measured, we found that the crown length and arch width were not statistically different (P>0.05), whereas the difference between the crown width and arch length was statistically significant (P<0.05). Conclusion The reconstruction of a digital model by using the grating projection technique and reverse engineering can be used for dental model measurement in clinic al and scientific research and can provide a scientific method for establishing a digital model database with normal occlusion.关键词
光栅投影技术/逆向工程/牙颌模型/三维重建/三维测量Key words
grating projection/reverse engineering/dental model/three-dimensional reconstruction/three-dimen-sional measurement分类
医药卫生引用本文复制引用
王珍珍,逯宜,宋君,陈军,周秦..光栅投影技术及逆向工程在重建和测量牙颌数字化模型中的应用[J].华西口腔医学杂志,2015,(1):71-74,4.基金项目
中央高校基本科研业务费专项基金资助项目 （）
