探究最大微笑状态下两种面部扫描配准方式对虚拟患者配准精度的影响

doi:10.13701/j.cnki.kqyxyj.2025.10.012

口腔医学研究 ›› 2025, Vol. 41 ›› Issue (10): 907-911.DOI: 10.13701/j.cnki.kqyxyj.2025.10.012

探究最大微笑状态下两种面部扫描配准方式对虚拟患者配准精度的影响

叶子豪¹, 魏路明², 王鹏来^1,2, 李敢², 袁长永^1,2*

1.徐州医科大学口腔医学院江苏徐州 221004;
2.徐州医科大学附属口腔医院种植科江苏徐州 221002

收稿日期:2025-03-27 发布日期:2025-10-23
通讯作者: *袁长永,E-mail:yuanchangyong1983@foxmail.com
作者简介:叶子豪(1999~ ),男,江苏无锡人,硕士研究生,医师,主要从事口腔种植学相关研究。
基金资助:
徐州市临床前沿技术项目(编号:KC23150、KC23221、KC23224)

Exploring Impact of Two Facial Scanning Registration Methods on Registration Accuracy of Virtual Patients under Maximum Smile Condition

YE Zihao¹, WEI Luming², WANG Penglai^1,2, LI Gan², YUAN Changyong^1,2*

1. School of Stomatology, Xuzhou Medical University, Xuzhou 221004, China;
2. Department of Implantology, Affiliated Stomatological Hospital of Xuzhou Medical University, Xuzhou 221002, China

Received:2025-03-27 Published:2025-10-23

摘要/Abstract

摘要： 目的: 探究最大微笑状态下不同配准方法对于虚拟患者面部扫描配准精度(准确度和精密度)的影响。方法: 使用Trios 3口内扫描仪以及3dMD面部扫描仪采集60例患者的光学扫描数据,然后分别使用额部配准板法以及面部标志点法构建受试者最大微笑位的虚拟患者场景,然后通过线性偏差测量,对两种方法配准偏差间的差异进行分析,比较两试验组配准精度。结果: 额部配准板组其准确度以及精密度均显著优于面部标志点组,差异均具有统计学意义(P＜0.05)。结论: 在构建最大微笑位虚拟患者场景时,不同的面部扫描配准方式会显著影响面部扫描的配准精度,相较于面部标志点法,额部配准板法能够获得更高的面部扫描配准精度。

关键词: 精度, 面部扫描, 立体摄影技术, 虚拟患者

Abstract: Objective: To investigate the impact of different registration methods on the registration accuracy (including both precision and accuracy) of virtual patient facial scans under maximum smile conditions. Methods: Optical scanning data of 60 patients were collected using the Trios 3 intraoral scanner and the 3dMD facial scanner. Virtual patient scenarios in the maximum smile position were then constructed for the subjects using the forehead registration plate method and the facial landmark method, respectively. The differences in registration deviations between the two methods were analyzed through linear deviation measurement, and the registration accuracy of the two test groups was compared. Results: The forehead registration plate group demonstrated significantly better accuracy and precision than the facial landmark method, with statistically significant differences (P<0.05). Conclusion: Different facial scanning registration methods significantly affect accuracy when constructing virtual patient scenarios at maximal smile position. Compared to facial landmark method, forehead registration plate method achieves higher facial scan registration precision.

Key words: accuracy, facial scanning, stereophotography, virtual patient

叶子豪, 魏路明, 王鹏来, 李敢, 袁长永. 探究最大微笑状态下两种面部扫描配准方式对虚拟患者配准精度的影响[J]. 口腔医学研究, 2025, 41(10): 907-911.

YE Zihao, WEI Luming, WANG Penglai, LI Gan, YUAN Changyong. Exploring Impact of Two Facial Scanning Registration Methods on Registration Accuracy of Virtual Patients under Maximum Smile Condition[J]. Journal of Oral Science Research, 2025, 41(10): 907-911.

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探究最大微笑状态下两种面部扫描配准方式对虚拟患者配准精度的影响

Exploring Impact of Two Facial Scanning Registration Methods on Registration Accuracy of Virtual Patients under Maximum Smile Condition

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