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北京大学学报（医学版） ›› 2019, Vol. 51 ›› Issue (5): 944-948. doi: 10.19723/j.issn.1671-167X.2019.05.025

• 论著 • 上一篇    下一篇

上颌前突患者鼻唇区软组织三维形态测量方法的建立

张添文,王晓霞(),李自力,伊彪,梁成,王兴   

  1. 北京大学口腔医学院·口腔医院,口腔颌面外科 国家口腔疾病临床医学研究中心 口腔数字化医疗技术和材料国家工程实验室 口腔数字医学北京市重点实验室,北京 100081
  • 收稿日期:2017-10-08 出版日期:2019-10-18 发布日期:2019-10-23
  • 通讯作者: 王晓霞 E-mail:doctorwang66@sina.com
  • 基金资助:
    首都临床特色应用研究项目(Z161100000516114)

Establishment of three-dimensional measurement methods of nasolabial soft tissue for patients with maxillary protrusion

Tian-wen ZHANG,Xiao-xia WANG(),Zi-li LI,Biao YI,Cheng LIANG,Xing WANG   

  1. Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
  • Received:2017-10-08 Online:2019-10-18 Published:2019-10-23
  • Contact: Xiao-xia WANG E-mail:doctorwang66@sina.com
  • Supported by:
    Supported by the Clinical Application and Research Foundation of Beijing Science and Technology Committee(Z161100000516114)

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摘要：

目的:利用3dMD照相机建立上颌前突患者鼻唇区软组织形态及其正颌手术前后变化的三维测量方法。方法:30例女性上颌前突患者,术前及术后均采用3dMD照相机拍摄面部三维照片,利用3dMD patient软件在三维照片上定位鼻唇区标志点,并进行软组织线距、角度、曲线距离、术前术后三维体积变化等10个指标的测量。3位测量者,每位测量者间隔1周各测量2次数据,分别对每位测量者2次测量结果及3位测量者之间做标准一致性检验,验证其可重复性。结果:每位测量者2次测量的10个测量指标组内相关系数(correlation coefficients,ICC)均大于0.8;3位测量者之间做标准一致性检验,其中内眦宽度、鼻高度、鼻尖突度、鼻唇角、人中长度、上唇红曲线高度、上唇高的组内相关系数大于0.8,鼻翼基底宽度、鼻背长与上唇三维体积变化的组内相关系数分别为0.680、0.627与0.528。结论:利用3dMD照相机及3dMD patient软件可较全面准确地对术前术后患者鼻唇区软组织三维形态进行测量和分析,但鼻尖点与鼻翼基底点的三维定位以及上唇区手术前后三维体积变化的重复性稍差。

关键词: 3dMD, 鼻唇区, 三维测量, 软组织形态

Abstract:

Objective: To establish a series of three-dimensional measurement methods of nasolabial soft tissue for maxillary protrusion patients by using 3dMD camera, and to evaluate preoperative and postoperative changes of the nasolabial soft tissue. Methods: Three-dimensional facial photos of 30 female patients with maxillary protrusion [average age, (27.33±2.54) years] were taken by 3dMD camera preoperatively and at the end of postoperative 6 months or more. Then, 3dMD patient software was used to locate the selected landmarks at nasolabial region on the three-dimensional photos. Ten measurements, including soft tissue line distance, angle, curve distance and postoperative three-dimensional volume changes were measured twice with one week interval by 3 investigators, respectively. A standard consistency test calculated by the correlation coefficients (ICC) was performed between two sets of data (including all of the 10 measurements) for each investigator and among the three investigators to verify the repeatability. Results: The average maxillary incisor retraction distance of the 30 subjects was (5.13±0.99) mm, and the average follow-up time was (11.07±5.11) months. The standard consistency test was performed between the two sets of data for each investigator, and the correlation coefficients (ICC) of the 10 measurements were all over 0.8 for each investigator (P>0.05). The standard consistency test was performed among the three surveyors, with the result that the ICC of the width of the bilateral inner canthus, the height of the nose, the height of nasal tip, nasolabial angle, philtrum length, the curve height of upper vermilion and the height of upper lip were greater than 0.8 (P>0.05), and the ICC of the distance between Sbal-Sbal, length of nasal dorsum and three-dimensional volume change of upper lip were 0.680, 0.627 and 0.528, respectively (P>0.05). Conclusion: 3dMD camera and 3dMD patient software can be used to measure and analyze the three-dimensional morphology of the nasolabial soft tissue for patients with maxillary protrusion preoperatively and postoperatively, and it is relatively accurate and reliable. However, the repeatability of three-dimensional positioning of the nasal tip point and the Sbal is slightly worse resulting in the lower value of the ICC of the distance between Sbal-Sbal and length of nasal dorsum, as well as the upper lip three-dimensional volume change after the operation.

Key words: 3dMD, Nasolabial, Three-dimensional measurement, Soft tissue morphology

中图分类号: 

  • R782.2

图1

鼻唇区标志点"

图2

上唇三维体积变化的测量方法"

表1

不同测量者自身标准一致性检验"

Items Investigator 1 Investigator 2 Investigator 3
ICC P ICC P ICC P
Width of the inner canthus 0.927 <0.05 0.991 <0.05 0.954 <0.05
Height of the nose 0.887 <0.05 0.999 <0.05 0.892 <0.05
Distance between Sbal-Sbal 0.946 <0.05 0.994 <0.05 0.933 <0.05
Height of nasal tip 0.887 <0.05 0.980 <0.05 0.887 <0.05
Nasolabial angle 0.936 <0.05 0.995 <0.05 0.944 <0.05
Height of upper lip 0.881 <0.05 0.993 <0.05 0.902 <0.05
Length of nasal dorsum 0.968 <0.05 0.971 <0.05 0.922 <0.05
Philtrum length 0.965 <0.05 0.973 <0.05 0.908 <0.05
Curve height of upper vermilion 0.983 <0.05 0.991 <0.05 0.995 <0.05
Three-dimensional volume change of upper lip 0.979 <0.05 0.898 <0.05 0.835 0.003

表2

3位测量者之间的标准一致性检验"

Items ICC P
Width of the inner canthus 0.908 <0.05
Height of the nose 0.846 <0.05
Distance between Sbal-Sbal 0.680 <0.05
Height of nasal tip 0.832 <0.05
Nasolabial angle 0.961 <0.05
Height of upper lip 0.863 <0.05
Length of nasal dorsum 0.627 <0.05
Philtrum length 0.858 <0.05
Curve height of upper vermilion 0.936 <0.05
Three-dimensional volume change of upper lip 0.528 <0.05
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