扫描牙合叉咬合印记转移模型至虚拟牙合架的技术探索

doi:10.12337/zgkqjxjyzz.2023.02.008

中国口腔医学继续教育杂志 ›› 2023, Vol. 26 ›› Issue (2): 137-144.DOI: 10.12337/zgkqjxjyzz.2023.02.008

扫描牙合叉咬合印记转移模型至虚拟牙合架的技术探索

董博, 杨兴强, 任薇, 王鹤云, 岳莉, 杨胜涛^*

口腔疾病研究国家重点实验室,国家口腔疾病临床医学研究中心,四川大学华西口腔医院口腔修复工艺科

出版日期:2023-03-31 发布日期:2023-03-21
通讯作者: ^*杨胜涛,联系方式：86-18328347164,电子邮箱：18328347164@163.com,通讯地址：四川省成都市武侯区人民南路三段14号,610041
基金资助:
四川大学横向技术项目全瓷修复材料美学效果的评价与临床应用研究（项目编号：22H0421）

A novel technique to directly transfer casts scan to the virtual articulator by scanning maxillary bite registration of the bite fork

Bo Dong, Xingqiang Yang, Wei Ren, Heyun Wang, Li Yue, Shengtao Yang^*

State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Dental Technology, West China Hospital of Stomatology, Sichuan University, Chengdu, P.R. China

Online:2023-03-31 Published:2023-03-21
Contact: Shengtao Yang. Tel: 86-18328347164. Email: 18328347164@163.com. Address: 14 Renmin South Road, 3rd section, Chengdu 610041, P.R. China.
Supported by:
Esthetic Evaluation and Clinical Application of All Ceramic Materials(No.22H0421)

摘要/Abstract

摘要： 目的介绍一种通过扫描牙合叉上的咬合印记直接将工作模型空间关系转移至虚拟牙合架的新技术,从而提高模型相对于铰链轴空间位置关系的转移精度,简化传统的面弓转移及上牙合架的流程。方法将万向关节锁定的带有上颌咬合印记硅橡胶记录的牙合叉固定于转移台,使用模型扫描仪扫描牙合叉上的咬合印记,利用软件匹配咬合印记与上颌模型数据以获得上颌模型在虚拟牙合架中的位置关系,再使用含有咬合关系的上下颌模型数据将下颌模型匹配到虚拟牙合架中,从而将模型位置关系转移到虚拟牙合架。结果成功实现上下颌工作模型的虚拟转移,同时减少了将模型转移到实体牙合架的传统操作步骤。结论利用牙合叉上的咬合印记将模型空间关系转移至虚拟牙合架是一种可行的方式,此技术可以有效减少转移牙合架时人为操作的误差,有利于提高虚拟牙合架转移的效率与精度。

关键词: 面弓转移, 虚拟牙合架, 牙合叉, 虚拟面弓, 数字化

Abstract: Objective: To introduce a novel technique to directly transfer casts scan to the virtual articulator by scanning the maxillary bite registration of the bite fork, so as to improve the accuracy of casts transferring, and simplify the conventional facebow transferring and articulator mounting process. Methods: Transfer fork with the maxillary bite registration is first obtained and fixed to the transfer platform of a lab scanner, then the bite fork is scanned using the scanner, thus transferring the spatial position of the maxillary bite registration to the matched virtual articulator, and then the maxillary cast scan is transferred through the bite registration by matching the same landmarks. The mandibular cast scan is subsequently transferred by matching the maxillomandibular bite registration scan. Results: The casts were successfully transferred to the virtual articulator using the proposed technique, eliminating the conventional transferring and mounting process. Conclusion: Casts scan could be directly transferred to the virtual articulator through scanned bite fork with the maxillary bite registration, which improves the efficiency and accuracy of the virtual articulator transferring procedures.

Key words: facebow transferring, virtual articulator, bite fork, virtual facebow, digital dentistry

董博, 杨兴强, 任薇, 王鹤云, 岳莉, 杨胜涛^*. 扫描牙合叉咬合印记转移模型至虚拟牙合架的技术探索[J]. 中国口腔医学继续教育杂志, 2023, 26(2): 137-144.

Bo Dong, Xingqiang Yang, Wei Ren, Heyun Wang, Li Yue, Shengtao Yang. A novel technique to directly transfer casts scan to the virtual articulator by scanning maxillary bite registration of the bite fork[J]. Chinese Journal of Stomatological Continuing Education, 2023, 26(2): 137-144.

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扫描牙合叉咬合印记转移模型至虚拟牙合架的技术探索

A novel technique to directly transfer casts scan to the virtual articulator by scanning maxillary bite registration of the bite fork

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