使用扫描源光学连贯性断层扫描来评估三维支柱牙数据构造的准确性
Mizuki Kakizawa1, Hiroki Hihara1, Takumi Ishikawa2
1Division of Advanced Prosthetic Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Miyagi, Japan.
PloS one
|November 6, 2025
概括
扫描源光学连贯性断层扫描 (SS-OCT) 显示出牙科扫描的前景,但需要改进. 目前的口腔内扫描仪 (IOSs) 与下部区域进行斗争,但SS-OCTT.
科学领域:
- 牙科 牙科是指牙科的专业.
- 光学成像技术的成像
- 生物医学工程 生物医学工程
背景情况:
- 广泛使用的口内扫描仪 (IOSs) 在捕捉下膜结线方面存在局限性,原因是仅表面数据提取.
- 扫描源光学连贯断层扫描 (SS-OCT) 提供了硬和软组织的高速,高分辨率的横截面成像,有可能克服IOS的局限性.
研究的目的:
- 使用SS-OCT 3D图像制造冠状作为IOS应用的原则证明.
- 为了评估使用SS-OCT制造的皇冠与传统IOS相比的适合精度.
主要方法:
- 皇冠是由SS-OCT和TRIOS3 (常规IOS) 扫描的3D图像制造的,每个图像都被扫描了三次.
- 对于这两种扫描方法,相同的数字工作流被用于皇冠制造.
- 使用扫描电子显微镜测量内部隙间,并通过显微镜评估边缘适合.
主要成果:
- 与SS-OCT相比,TRIOS3常规IOS显示出更高的准确性.
- SS-OCT的准确性随着深度的增加而下降,因为它只采用了闭合的成像方向,影响了边缘精度.
- 在计算机辅助设计 (CAD) 软件中,SS-OCT缺乏自动地表信息校正.
结论:
- 虽然SS-OCT显示出牙科应用的潜力,但当前的准确性低于传统的IOS,适合边缘.
- 需要对SS-OCT进行改进,包括自动边缘校正,增强CAD兼容性和专用探头,以提高其对支柱牙测量的精度.
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