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重复使用印记杆和扫描机体对记录准确性的影响

Akin Aktas¹, Taha Yasar Manav², Mustafa Zortuk³

¹Research Assistant, Department of Prosthodontics, Faculty of Dentistry, Hatay Mustafa Kemal University, Antakya, Hatay, Turkey.

The Journal of prosthetic dentistry

|March 7, 2025

概括

重复绝育和使用牙科植入物转移组件 (ITC) 显著增加了传统印记和数字扫描中的不准确性. 限制ITC重复使用,以保持恢复准确度.

科学领域:

牙科材料科学牙科材料科学
牙修复牙修复牙修复牙修复牙修复
制造过程制造过程制造过程

背景情况:

牙植入物转移组件 (ITC) 的频繁重复使用和灭菌可能导致材料变形.
重复使用和绝育对植入物支持修复的准确性的影响尚不清楚.

研究的目的:

评估重复使用和灭菌对ITC准确性的影响.
在发生显著变形之前,确定ITC的最大可接受的重复使用次数.

主要方法:

使用ITC的传统打印和数字扫描的精度比较.
执行每组件10次重复打印/扫描,在循环之间进行杀菌.
使用3D软件和统计分析 (3路混合ANOVA) 分析偏差.

主要成果:

在重复使用和绝育后,所有组都观察到异常的显著增加.
根平均平方 (RMS) 偏差在传统和数字组中大幅增加.
所有观察到的偏差增加均具有统计学意义 (P<.05).

结论:

重复使用和消毒ITC会导致严重的变形,损害传统和数字工作流程的准确性.
限制ITC重复使用的数量对于保持植入式恢复的高精度至关重要.

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