在实体中评估四个电子体外定位器的准确性
Ilana-Thais-de Freitas Lima1, Ana-Letícia-Linhares-de Sousa Paula2, Reuton-Dos Santos Palheta-Filho2
1MSC, Department of Dentistry, Unichristus, Fortaleza, Ceará, Brazil.
Journal of clinical and experimental dentistry
|February 5, 2024
概括
四个电子方形定位器 (EFL) 在确定根管长度在可接受的范围内表现出类似的有效性. 尖端直径的增加并没有影响这些必要的内牙工具的准确性.
科学领域:
- 牙科 牙科是指牙科的专业.
- 牙周内科医院 牙周内科医院 牙周内科医院
- 牙科技术 牙科技术
背景情况:
- 精确确定根管长度对于成功的内牙治疗至关重要.
- 电子前定位器 (EFLs) 被广泛用于测量根管长度.
- EFL准确度的变化可能会影响治疗结果.
研究的目的:
- 为了比较四个不同的EFL在确定根管长度的准确性.
- 评估角孔径对EFL精度的影响.
主要方法:
- 使用了27个人类单根牙.
- 使用操作显微镜确定了牙的实际长度.
- 四个EFL (Root ZX II,Romiapex A15,FinePex,VDW Gold) 已经进行了测试.
- 牙用0.25毫米和0.40毫米直径的文件进行仪器仪表.
主要成果:
- 所有的EFL都倾向于低估0.25mm的测量值.
- 与其他EFL相比,根ZX II的平均准确性在统计上较低.
- 对于0.40毫米直径的文件,Romiapex A15在统计学上显示了更高的平均精度.
- 在可接受的变化范围内,在设备之间没有发现有效率的显著差异.
结论:
- 所有经过测试的 EFL 在可接受的测量范围内,都在确定根管长度方面表现出相似且足够的有效性.
- 顶端直径的大小没有显著影响评估的EFLs的准确性.
- 这些发现支持EFL在内牙科手术中的可靠使用.
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