A digitally designed and 3D printed individual tooth tray for taking subgingival impression of complete crown preparation

被引：1
|
作者：
Xu, Xiaoxiang [1 ,2 ,3 ,4 ,5 ,6 ,7 ]
Xie, Qiufei [1 ,2 ,3 ,4 ,5 ,6 ,7 ]
Zhang, Lei [1 ,2 ,3 ,4 ,5 ,6 ,7 ]
Zhao, Yijiao [2 ,3 ,4 ,5 ,6 ,7 ,8 ]
Cao, Ye [1 ,2 ,3 ,4 ,5 ,6 ,7 ]
机构：
[1] Peking Univ Sch & Hosp Stomatol, Dept Prosthodont, 22 Zhong Guan Cun South Ave, Beijing 100081, Peoples R China
[2] Natl Ctr Stomatol, Beijing, Peoples R China
[3] Natl Clin Res Ctr Oral Dis, Beijing, Peoples R China
[4] Natl Engn Lab Digital & Mat Technol Stomatol, Beijing, Peoples R China
[5] Beijing Key Lab Digital Stomatol, Beijing, Peoples R China
[6] Minist Hlth, Res Ctr Engn & Technol Computerized Dent, Beijing, Peoples R China
[7] NMPA Key Lab Dent Mat, Beijing, Peoples R China
[8] Peking Univ Sch & Hosp Stomatol, Ctr Digital Dent, Beijing, Peoples R China
来源：
JOURNAL OF DENTAL SCIENCES | 2021年 / 16卷 / 04期
基金：
中国国家自然科学基金;
关键词：
3D printing; Computer aided design; Impression; Subgingival margin; Tray; RETRACTION; CORDLESS;
D O I：
10.1016/j.jds.2021.06.002
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
A digital technique for designing and fabricating an individual tooth tray used for taking subgingival impression of complete crown preparation was described. The digital model of required dentition region was obtained before performing crown preparation. An individual tooth tray with retention attachments was designed and printed with plastic material. After conducting crown preparation, the individual tooth tray loaded with the final impression material was placed onto the abutment to deliver the impression material subgingivally. A final overall impression was made with full arch stock tray to pick up the individual tooth tray with the accurate impression of abutment. (c) 2021 Association for Dental Sciences of the Republic of China. Publishing services by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons. org/licenses/by-nc-nd/4.0/).
引用
收藏
页码：1335 / 1338
页数：4
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