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学科主题: 口腔医学
题名:
Accuracy evaluation of a new three-dimensional reproduction method of edentulous dental casts and wax occlusion rims with jaw relation
作者: Yuan, Fu-Song; Sun, Yu-Chun; Wang, Yong; Lu, Pei-Jun1,2,3
关键词: accuracy ; computer-aided design/computer-aided manufacturing ; complete denture ; jaw relation ; line laser scanner ; reverse engineering software
刊名: INTERNATIONAL JOURNAL OF ORAL SCIENCE
发表日期: 2013-09-01
DOI: 10.1038/ijos.2013.49
卷: 5, 期:3, 页:155-161
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Dentistry, Oral Surgery & Medicine
研究领域[WOS]: Dentistry, Oral Surgery & Medicine
英文摘要:

The article introduces a new method for three-dimensional reproduction of edentulous dental casts, and wax occlusion rims with jaw relation by using a commercial high-speed line laser scanner and reverse engineering software and evaluates the method′s accuracy in vitro. The method comprises three main steps: (i) acquisition of the three-dimensional stereolithography data of maxillary and mandibular edentulous dental casts and wax occlusion rims; (ii) acquisition of the three-dimensional stereolithography data of jaw relations; and (iii) registration of these data with the reverse engineering software and completing reconstruction. To evaluate the accuracy of this method, dental casts and wax occlusion rims of 10 edentulous patients were used. The lengths of eight lines between common anatomic landmarks were measured directly on the casts and occlusion rims by using a vernier caliper and on the three-dimensional computerized images by using the software measurement tool. The direct data were considered as the true values. The paired-samples t-test was used for statistical analysis. The mean differences between the direct and the computerized measurements were mostly less than 0.04 mm and were not significant (P>0.05). Statistical significance among 10 patients was assessed using one-way analysis of variance (P<0.05). The result showed that the 10 patients were considered statistically no significant. Therefore, accurate three-dimensional reproduction of the edentulous dental casts, wax occlusion rims, and jaw relations was achieved. The proposed method enables the visualization of occlusion from different views and would help to meet the demand for the computer-aided design of removable complete dentures.

语种: 英语
所属项目编号: 2012BAI07B00 ; 2013AA040801 ; 2013AA040802 ; 81271181
项目资助者: Twelfth Five-Year National Key Technologies Research and Development Program of China ; National High Technology Research and Development Program (&prime ; 863&prime ; Program) of China ; National Natural Science Foundation of China ; Scientific Research Innovation Foundation for Youth Doctors of Peking University School of Stomatology
WOS记录号: WOS:000324454100006
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/65313
Appears in Collections:北京大学口腔医学院_期刊论文

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作者单位: 1.Peking Univ, Sch & Hosp Stomatol, Ctr Digital Dent, Beijing 100081, Peoples R China
2.Minist Hlth, Natl Engn Lab Digital & Mat Technol Stomatol, Beijing 100081, Peoples R China
3.Minist Hlth, Res Ctr Engn & Technol Digital Dent, Beijing 100081, Peoples R China

Recommended Citation:
Yuan, Fu-Song,Sun, Yu-Chun,Wang, Yong,et al. Accuracy evaluation of a new three-dimensional reproduction method of edentulous dental casts and wax occlusion rims with jaw relation[J]. INTERNATIONAL JOURNAL OF ORAL SCIENCE,2013,5(3):155-161.
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