对于完整的牙套大师件的数字化大师印象的准确性
The International journal of prosthodontics
|January 30, 2026
概括
使用桌面扫描仪对传统牙部印记进行数字化比使用口腔内扫描仪更准确. 然而,这两种方法似乎在临床上都可接受,用于完成假牙制造.
科学领域:
- 数字牙科数字牙科
- 牙修复 牙修复 牙修复 牙修复 牙修复
- 牙科材料科学 牙科材料科学
背景情况:
- 传统的印记对于制造保留性完整假牙至关重要.
- 数字化这些印刷品使其能够集成到混合数字工作流中.
- 评估数字化印象的准确性对于临床成功至关重要.
研究的目的:
- 评估数字化传统印象的真实性,以获取数据.
- 为了比较口腔内扫描仪 (IOS-IMP) 和桌面扫描仪 (LAB-IMP) 与数字化主件 (LS-MOD) 的精度.
- 分析扫描方法之间的解剖学标志 (外围,脊,后,口腔) 的差异.
主要方法:
- 使用口腔内扫描仪和桌面扫描仪数字化了20个常规的上牙的印记.
- 使用印记创建石材造,然后使用桌面扫描仪进行数字化.
- 根-平方平均 (RMS) 差异是通过叠加扫描到主造计算的.
主要成果:
- 主件的桌面扫描器数字化 (LS-IMP) 显示的偏差明显小 (38.90 ±7.67 微米) 比口内扫描 (IOS-IMP) (75.11 ±22.37 微米) (p<0.01).
- 在桌面扫描仪组中,在外围地标和口腔和后区域之间注意到了显著的偏差.
- 总的来说,主造的桌面扫描比口内扫描更准确.
结论:
- 对主件的桌面扫描显示了比口内扫描更高的准确性,用于数字化常规印记.
- 在使用桌面扫描仪将主件数字化时,地标准确度存在显著差异.
- 内部口腔和桌面扫描方法似乎在临床上可以接受完整的上腺牙印记.
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