5种椅旁三维颜面扫描技术正确度的初步评价_温奥楠.pdf

技术方法5 种椅旁三维颜面扫描技术正确度的初步评价温奥楠1，2，刘微3，柳大为4，朱玉佳2，萧宁2，王勇1，2，赵一姣1，2(1 北京大学医学部医学技术研究院，北京100191;2 北京大学口腔医学院口腔医院数字化研究中心，国家口腔医学中心，国家口腔疾病临床医学研究中心，口腔生物材料和数字诊疗装备国家工程研究中心，口腔数字医学北京市重点实验室，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，国家药品监督管理局口腔材料重点实验室，北京100081;3 银川市口腔医院，银川750004;4 北京大学口腔医学院口腔医院正畸科，北京100081)摘要目的:量化评价 5 种椅旁三维颜面扫描技术的正确度，为口腔临床诊疗应用提供参考。方法:使用传统专业型三维颜面扫描仪 Face Scan 采集受试者三维颜面数据，作为本研究的参考数据。分别使用 4 种便携式三维颜面扫描仪(Space Spider、LEO、EVA 和 DS-FScan)及 iPhone 手机(Bellus3D 颜面扫描 APP)，采集受试者三维颜面数据。在 Geomagic Studio 2013 中通过数据配准、偏差分析等功能计算上述 5 种椅旁三维颜面扫描技术的整体三维偏差和面部分区三维偏差，评价其正确度的表现。扫描过程中同时记录扫描时间，并对受试者舒适度采用视觉模拟评分法(visual analogue scale，VAS)进行评分，评价 5 种三维颜面扫描技术的扫描效率和患者接受度。结果:测试数据与参考数据间平均整体和平均分区三维偏差最小者均为 DS-FScan(分别为0 334 mm 和0 329 mm)，最大者均为 iPhone 手机(分别为 0 483 mm 和 0 497 mm)。Space Spider 获取的三维颜面数据的细节特征表现力最好。扫描效率最高和受试者接受度最高者均为 iPhone 手机，平均扫描时间为 14 s，受试者扫描舒适度的 VAS 评分为9 分。结论:5 种椅旁三维颜面扫描技术中，4 种便携式设备的扫描数据正确度没有显著差异，均优于 iPhone 手机的扫描数据，iPhone 扫描技术的受试者体验最好。关键词面部;三维成像;计算机辅助图像处理 中图分类号780 4 文献标志码A 文章编号1671-167X(2023)02-0343-08doi:10 19723/j issn 1671-167X 2023 02 021Preliminary evaluation of the trueness of 5 chairside 3D facial scanning techniquesWEN Ao-nan1，2，LIU Wei3，LIU Da-wei4，ZHU Yu-jia2，XIAO Ning2，WANG Yong1，2，ZHAO Yi-jiao1，2(1 Institute of Medical Technology，Peking University Health Science Center，Beijing 100191，China;2 Center of DigitalDentistry，Peking University School and Hospital of Stomatology National Center for Stomatology National Clinical e-search Center for Oral Diseases National Engineering esearch Center of Oral Biomaterials and Digital Medical Devices Beijing Key Laboratory of Digital Stomatology NHC esearch Center of Engineering and Technology for ComputerizedDentistry NMPA Key Laboratory for Dental Materials，Beijing 100081，China;3 Yinchuan Stomatology Hospital，Yin-chuan 750004，China;4 Department of Orthodontics，Peking University School and Hospital of Stomatology，Beijing100081，China)基金项目:国家自然科学基金(82071171、81870815)、宁夏回族自治区重点研发计划项目(2018BEG02012)和北京大学口腔医院实验室开放课题(PKUSS20210202)Supported by the National Natural Science Foundation of China(82071171，81870815)，the Key D Program of NingxiaHui Autonomous egion of China(2018BEG02012)and the Open Subject Foundation of Peking University School and Hospital of Stomatology(PKUSS20210202)Corresponding author s e-mail，kqcadc bjmu edu cn，kqcadcs bjmu edu cn网络出版时间:2023-3-38:54:26网络出版地址:http:/kns cnki net/kcms/detail/114691 202303021046012 htmlABSTACTObjective:To quantitatively evaluate the trueness of five chairside three-dimensional facialscanning techniques，and to provide reference for the application of oral clinical diagnosis and treatmentMethods:The three-dimensional facial data of the subjects were collected by the traditional professionalthree-dimensional facial scanner Face Scan，which was used as the reference data of this study Fourkinds of portable three-dimensional facial scanners(including Space Spider，LEO，EVA and DS-FScan)and iPhone mobile phone(Bellus3D facial scanning APP)were used to collect three-dimensional fa-cial data from the subjects In Geomagic Studio 2013 software，through data registration，deviation analy-sis and other functions，the overall three-dimensional deviation and facial partition three-dimensional de-viation of the above five chairside three-dimensional facial scanning technologies were calculated，andtheir trueness performance evaluated Scanning time was recorded during the scanning process，and thesubject s comfort was scored by visual analogue scale(VAS)The scanning efficiency and patient ac-ceptance of the five three-dimensional facial scanning techniques were evaluated esults:DS-FScan hadthe smallest mean overall and mean partition three-dimensional deviation between the test data and thereference data，which were 0 334 mm and 0 329 mm，respectively The iPhone mobile phone hadthe largest mean overall and mean partition three-dimensional deviation between the test data and the343北京大学学报(医学版)JOUNAL OF PEKING UNIVESITY(HEALTH SCIENCES)Vol55No2Apr 2023reference data，which were 0 483 mm and 0 497 mm，respectively The detailed features of the three-dimensional facial data obtained by Space Spider were the best The iPhone mobile phone had thehighest scanning efficiency and the highest acceptance by the subject The average scanning time of theiPhone mobile phone was 14 s，and the VAS score of the subjectsscanning comfort was 9 pointsConclusion:Among the five chairside three-dimensional face scanning technologies，the trueness of thescan data of the four portable devices had no significant difference，and they were all better than theiPhone mobile phone scan The subject with the iPhone scanning technology had the best expe-rienceKEY WODSFace;Three-dimensional imaging;Computer-assisted image processing在口腔临床诊疗过程中，颜面部的三维形态特征是口腔医生关注的问题。传统上，对患者二维影像数据的诊断分析并不能全面真实地反映出患者颜面部的形态特征1 4，对三维颜面部数据进行诊断分析是口腔医学的发展趋势，有助于提高术前诊断、治疗方案设计及术后疗效评价的准确性和真实性。近年来，随着数字化技术不断发展，多种三维颜面扫描仪被应用于口腔临床，为采集患者颜面部三维数据提供了极大的便利。在口腔正畸领域，Krneta 等 5 通过采集正畸儿童的三维颜面数据，对类错牙 合畸形儿童的颜面部形态进行分析，指出三维分析是乳牙期类错牙 合畸形早期诊断的有效方法。在颜面缺损修复领域，Bockey 等 6 和 Fa