虚拟和临床闭合注册之间的协议的临床评估:一项比较性临床研究
Ameer Biadsee1, Ameen Biadsee2, Ayman Khalifa3
1Postgraduate student, Department of Oral Rehabilitation, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel.
The Journal of prosthetic dentistry
|August 23, 2023
概括
这项研究发现,口腔内扫描系统为单体皇冠的虚拟封闭方案设计提供了临床上足够的准确性. 虽然对皇冠有效,但对邻近的牙接触及其强度的准确性略有下降.
科学领域:
- 牙科技术 牙科技术
- 数字牙科数字牙科
- 牙修复 牙修复 牙修复 牙修复 牙修复
背景情况:
- 评估虚拟间隔记录是常见的,但与虚拟设计的临床比较很少.
- 这项研究解决了虚拟闭合方案与最终假肢相比的准确性缺乏临床数据的问题.
研究的目的:
- 评估计算机辅助设计/计算机辅助制造 (CAD/CAM) 虚拟闭合方案和临床获得的闭合方案之间的一致性.
- 为了比较虚拟的闭合数据与最终假肢上的表达纸质记录.
主要方法:
- 在17名参与者中,使用口腔内扫描创建了20个单体皇冠的虚拟闭合方案.
- 使用200μm蓝色薄膜和12μm金属红色关节带进行比较.
- 分析包括接触者的数量和质量,计算虚拟记录的敏感性和特异性.
主要成果:
- 对于皇冠 (98.5%) 和相邻的牙 (95%) 的虚拟记录灵敏度很高.
- 冠牙的特异性为88.6%,相邻牙的特异性为82.6%.
- 接触强度的一致性是皇冠的83%,邻近的牙的67.3%.
结论:
- 内口扫描系统在临床上对单体冠状闭塞接触物具有足够的灵敏度和特异性.
- 在识别邻近牙上的接触时,准确度略有下降.
- 在识别邻近牙接触强度时,准确度下降较大.
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