模型扫描结合逆向工程技术建立多植体空间位置信息的研究

doi:10.13701/j.cnki.kqyxyj.2022.09.006

口腔医学研究 ›› 2022, Vol. 38 ›› Issue (9): 823-826.DOI: 10.13701/j.cnki.kqyxyj.2022.09.006

模型扫描结合逆向工程技术建立多植体空间位置信息的研究

毋育伟^1,2, 曹佳^1,2, 韩飞³, 温奥楠², 高梓翔², 李德利^1,2, 唐志辉^1,2, 钱军^1,2, 赵一姣^2*, 王勇^2*

1. 北京大学口腔医院第二门诊部北京 100101;
2. 国家卫生健康委员会口腔医学计算机应用工程技术研究中心北京 100081;
3. 北京朗视仪器有限公司北京 102488

收稿日期:2021-12-09 发布日期:2022-09-26
通讯作者: *赵一姣,电话:010-82195553;王勇,电话:010-82195524
作者简介:毋育伟(1981~ ),男,北京人,副主任医师,博士,研究方向:口腔种植。
基金资助:
首都健康保障培育研究课题(编号:Z181100001618018)

Study on Establishing Spatial Position of Multiple Implants by Scanning Model Combined with Reverse Engineering Technology.

WU Yuwei^1,2, CAO Jia^1,2, HAN Fei³, WEN Aonan², GAO Zixiang², LI Deli^1,2, TANG Zhihui^1,2, QIAN Jun^1,2, ZHAO Yijiao², WANG Yong²

1. The Second Dental Center, Peking University School of Stomatology, Beijing 100101, China;
2. NHC Research Center of Engineering and Technology for Computerized Dentistry, Beijing 100081, China;
3. LargeV Instrument Corp., Ltd., Beijing 102488, China.

Received:2021-12-09 Published:2022-09-26

摘要/Abstract

摘要： 目的: 探讨牙列缺失种植修复患者石膏模型中多植体空间位置信息的建立方法,为比较不同方法获取的植体空间位置信息奠定基础。方法: 选取6名8个牙列缺失种植固定修复患者,通过开窗夹板式聚醚橡胶制取印模,灌制石膏模型。通过模型扫描仪扫描石膏模型,输出三角网格数据(stereolithography, STL)作为参考模型数据库。探讨在Geomagic Control X软件中,确定单个植体和多颗植体的空间位置信息的可行性。结果: 在Geomagic Control X软件的同一坐标系下,建立了单个和多颗植体的修复基台平面、中心线、中心点,并用这3个参数完成了石膏扫描数据与牙列缺失患者术后CBCT多颗植体的空间位置比较。结论: 在Geomagic Control X软件可以获取多植体的空间位置信息,实现比较植体三维空间的位置偏差和角度偏差,本研究为比较多颗植体空间位置信息比对奠定了一定基础。

关键词: 牙列缺失, 种植, 修复基台平面, 中心线, 中心点, 逆向工程软件

Abstract: Objective: To establish spatial information of multi-implants in the cast model of edentulous patients, and to lay a foundation for comparing the spatial location of the same multi-implants obtained by different impression methods. Methods: The cast of the upper jaw with 6 implants was obtained by using a custom tray elastomeric impression procedure after splinting the impression copings at room temperature (23 ℃). The cast was scanned by a model scanner and a reference model database was outputted as the triangular grid data (stereolithography, STL). Results: In the Geomagic Control X software, the three dimension feature extraction of single and six abutment replica’s base plane, centerline, and center point under the same coordinate system were determined respectively. The discrepancy of spatial position of multiple implants between cast model and CBCT were conducted by feature extraction. Conclusion: The position and angle deviation of the single and six implant’s location are determined by the model scanner and Geomagic Control X software, and our study contributes to compare the spatial position of the same multi-implants obtained by different impression methods.

Key words: edentulous, implantation, abutment plane, center line of implant, center point of implant, Geomagic

毋育伟, 曹佳, 韩飞, 温奥楠, 高梓翔, 李德利, 唐志辉, 钱军, 赵一姣, 王勇. 模型扫描结合逆向工程技术建立多植体空间位置信息的研究[J]. 口腔医学研究, 2022, 38(9): 823-826.

WU Yuwei, CAO Jia, HAN Fei, WEN Aonan, GAO Zixiang, LI Deli, TANG Zhihui, QIAN Jun, ZHAO Yijiao, WANG Yong. Study on Establishing Spatial Position of Multiple Implants by Scanning Model Combined with Reverse Engineering Technology.[J]. Journal of Oral Science Research, 2022, 38(9): 823-826.

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模型扫描结合逆向工程技术建立多植体空间位置信息的研究

Study on Establishing Spatial Position of Multiple Implants by Scanning Model Combined with Reverse Engineering Technology.

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