Application of FDM three-dimensional printing technology in the digital manufacture of custom edentulous mandible trays

被引:145
作者
Chen, Hu [1 ,2 ,3 ]
Yang, Xu [4 ]
Chen, Litong [1 ,2 ,3 ]
Wang, Yong [1 ,2 ,3 ]
Sun, Yuchun [1 ,2 ,3 ]
机构
[1] Peking Univ, Sch & Hosp Stomatol, Fac Prosthodont, Ctr Digital Dent, Beijing, Peoples R China
[2] Minist Hlth, Natl Engn Lab Digital & Mat Technol Stomatol, Beijing, Peoples R China
[3] Minist Hlth, Res Ctr Engn & Technol Digital Dent, Beijing, Peoples R China
[4] Peking Univ, Sch & Hosp Stomatol, Teaching & Res Dept Prosthodont, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
D O I
10.1038/srep19207
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
070301 [无机化学]; 070403 [天体物理学]; 070507 [自然资源与国土空间规划学]; 090105 [作物生产系统与生态工程];
摘要
The objective was to establish and evaluate a method for manufacture of custom trays for edentulous jaws using computer aided design and fused deposition modeling (FDM) technologies. A digital method for design the custom trays for edentulous jaws was established. The tissue surface data of ten standard mandibular edentulous plaster models, which was used to design the digital custom tray in a reverse engineering software, were obtained using a 3D scanner. The designed tray was printed by a 3D FDM printing device. Another ten hand-made custom trays were produced as control. The 3-dimentiona I surface data of models and custom trays was scanned to evaluate the accuracy of reserved impression space, while the difference between digitally made trays and hand-made trays were analyzed. The digitally made custom trays achieved a good matching with the mandibular model, showing higher accuracy than the hand-made ones. There was no significant difference of the reserved space between different models and its matched digitally made trays. With 3D scanning, CAD and FDM technology, an efficient method of custom tray production was established, which achieved a high reproducibility and accuracy.
引用
收藏
页数:6
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