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论文摘要

多模态数据融合的可视化技术在咬合重建中的应用

Application of visualization technology of multimode data fusion in occlusal rehabilitation

作者:孙欣荣, 冯玥, 刘伟才

Author:Sun Xinrong, Feng Yue, Liu Weicai.

收稿日期:2022-01-11          年卷(期)页码:2022,40(4):468-468-475

期刊名称:华西口腔医学杂志

Journal Name:West China Journal of Stomatology

关键字:多模态数据融合,虚拟牙科患者,咬合重建,动态咬合,

Key words:multimode data fusion,virtual dental patient,occlusal reconstruction,dynamic occlusion,

基金项目:上海市科学技术委员会科研计划项目(21Y11903800);上海申康医院发展中心临床三年行动计划——临床研究青年项目(SHDC2020CR4088)

中文摘要

目的 通过多模态医学数据融合,实现数字化升高咬合垂直距离并进行咬合重建,应用于临床诊断及修复。方法 利用软件手段,将口内扫描(IOS)、口外面部扫描(EOS)、锥形束计算机断层扫描(CBCT)、动态咬合运动轨迹进行多模态医学数据融合,创建可视化、可操作的四维虚拟牙科患者,对虚拟患者咬合及颞下颌关节进行系统性评估,在兼顾前牙美学及后牙修复空间的基础上,进行数字化升高咬合垂直距离,建立新的颌位并对接计算机辅助设计和计算机辅助制造(CAD/CAM)设备,实现咬合重建的固定修复。结果 通过多模态医学数据融合及CAD/CAM设备的对接,得到了可视化、可操控的四维虚拟牙科患者,使咬合重建的固定修复技术更加便捷与安全。结论 多模态数据融合创建四维虚拟患者创新地实现了同一患者各种数据在同时间、同空间的结合,方便、直观地展示了患者口颌系统解剖结构及功能状态,能够为临床医生提供有效的诊断与修复手段。

英文摘要

ObjectiveThis study aimed to present a method for multi-modal medical data fusion that could be used for increased vertical dimension of occlusion (VDO) and occlusal rehabilitation in a digital manner, thus facilitating the process of clinical diagnosis and restoration.MethodsWith the aid of a computer software, a visual and operable four-dimensional virtual dental patient was created by data fusion of intraoral scan, extra-oral face scan, cone-beam computed tomography, and dynamic occlusal movement trace to conduct a systematical review of the occlusion and temporomandibular joint of the virtual patient. This approach could be used for increased VDO on the basis of the aesthetics of anterior teeth and the restoration space of posterior teeth. It allowed jaw reconstruction and occlusal rehabilitation with fixed prosthesis by using computer-aided design and manufacturing (CAD/CAM) devices.ResultsA visual and operable four-dimensional virtual dental patient was created by integrating the method for multimodal medical data fusion with CAD/CAM devices, thus making the process of occlusal rehabilitation with fixed prosthesis safer and more convenient than before.ConclusionWith the method for multimodal medical data fusion, the presented application enables the fusion of different data sources of the patient at the same time and space by creating a virtual patient. It is useful for showing the function and anatomical structure of the patient’s oral and maxillofacial system in a visual and convenient manner, thus providing a powerful tool in the process of clinical diagnosis and restoration.

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