评估一种优化数字牙冠设计的方法,以对抗牙磨损方面:一项前性临床研究
Xiaohan Chai1, Jingwen Yang2, Yong Wang3
1Postgraduate student, Department of Prosthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, PR China.
The Journal of prosthetic dentistry
|March 10, 2026
概括
面部对齐技术通过优化闭口形态和接触区域来改进人工智能 (AI) 产生的牙冠. 这种人工智能增强的皇冠设计更好地模仿天然牙,以改善静态和动态遮.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物机械工程 生物机械工程
- 人工智能在牙科中的应用
背景情况:
- 人工智能 (AI) 可以设计牙冠,但它们的闭口形态和接触区域可能与天然牙不匹配.
- 人工智能产生的皇冠在实现理想的静态和动态封闭方面的有效性尚未确定.
研究的目的:
- 评估面部对齐技术是否利用对抗性牙磨损面部增强了人工智能生成的冠状的闭合形态和接触面积分布.
- 为了比较人工智能生成的皇冠与面部对齐技术与天然牙和技术人员设计的皇冠进行调整.
主要方法:
- 一项涉及23名参与者的前性临床研究,比较了四种头头冠类型:自然 (NA),技术人员设计 (TE),AI生成 (AT) 和 Facets Align调整的AI (FA).
- 通过尖端倾斜和根平均平方 (RMS) 评估闭口形态;根据面积,F1得分和分离距离评估接触面积分布.
- 用于应力分布分析的有限元分析 (FEA);使用弗里德曼和邦费罗尼测试进行的统计分析.
主要成果:
- 人工智能生成的皇冠 (AT) 显示出较低的尖端倾斜和较小的闭合接触面积比自然牙 (NA).
- 与AT相比,Facets Align技术 (FA) 改善了RMS和闭合接触面积,并增强了侧面工作侧接触分离.
- FA显示F1得分明显高 (0.60) 比AT,这表明密闭接触的准确性有所改善. FEA显示FA的应力/变形比AT高,但比NA低.
结论:
- 面部对齐技术有效优化人工智能生成的皇冠,以改善静态和动态封闭,特别是当对手牙表现出磨损面部时.
- 这种人工智能辅助的皇冠设计方法在实现更自然的闭塞功能方面表现出有希望.
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