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首部中国汉族人群口腔美学形态学指标审美指南发布

 
Issuing time:2025-11-03 12:45Author:编辑部
*图源:中国汉族人群口腔美学形态学指标审美指南
*图源:中国汉族人群口腔美学形态学指标审美指南

好的牙·讯|全国卫生产业企业管理协会近日发布了《中国汉族人群口腔美学形态学指标审美指南》。该指南由四川大学华西口腔医学院、北京大学口腔医学院、空军军医大学口腔医学院等国内十余所口腔医学院校共同起草,旨在为临床实践、科研及教学提供系统参考,推动口腔医学和美学的跨学科融合发展。

指南内容涵盖面部对称性、唇齿关系、颌骨位置、牙齿排列、牙龈形态等多维度美学指标,并基于中国人口腔美学基础数据研究结果(2018FY101003)提供了具体测量值与合理范围,填补了现有研究的空白。

指南详细规定了二维图像资料采集要求,包括标准化正面像、侧面像数码照片,以及微笑照片和口内像的拍摄规范。在三维数据采集方面,明确要求通过口内扫描仪获取牙列形态数据,采用CBCT或X线头颅侧位片获取颌骨形态特征,并利用面部三维扫描仪采集静息状态及自然微笑的面部数据。

*图源:中国汉族人群口腔美学形态学指标审美指南
*图源:中国汉族人群口腔美学形态学指标审美指南

在审美指标方面,该标准系统量化了中国汉族人群的软组织美学参数。正面美学参数包括唇对称性和颏部对称性,研究显示唇左右对称性角度为(0.09 ±1.49)°,颏部对称性角度为(1.23 ±3.91)°。侧面美学参数涵盖上下唇突度、颏位、颏颈角和鼻唇角等重要指标,其中男性鼻唇角为(97.38 ± 5.49)°,女性为(102.23 ± 8.57)°。这些数据为评估面部美学提供了客观依据。

*图源:中国汉族人群口腔美学形态学指标审美指南
*图源:中国汉族人群口腔美学形态学指标审美指南

硬组织美学审美指标部分明确了颌骨垂直向和前后向的位置关系。下颌平面角(FH-MP)为(24.22 ±5.23)°,上颌骨SNA角为(81.74 ± 3.09)°,下颌骨SNB角为(79.58 ±3.48)°,上下颌骨ANB角为(2.07 ±3.46)°。这些指标为口腔正畸和修复治疗提供了重要参考。

*图源:中国汉族人群口腔美学形态学指标审美指南
*图源:中国汉族人群口腔美学形态学指标审美指南

在唇齿美学方面,标准规定了静态和动态两类指标。静态指标包括唇红高度、唇宽度和上唇长度等,其中上唇唇红高度为(5.01 ±1.53)mm,下唇唇红高度为(8.30 ±1.41)mm。动态指标则重点关注微笑时牙齿及牙龈显露情况,研究显示中位微笑占比达85.57%,为微笑美学设计提供了科学指导。

此外,牙齿与牙龈的美学指标也得到系统梳理,如上前牙宽长比、牙冠长度、牙龈乳头高度、角化龈宽度等,均配有具体测量数据与临床分型建议。

*扫描下方二维码添加小助手,可获取指南原文件。

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