对于体积面分析的参考点位置的一致性和可重复性:横截面研究
Natali Romero-Tapiero1, Andrés Giraldo-Mejía2, Adriana Herrera-Rubio1
1Department of Orthodontics, Faculty of Health, Universidad del Valle, Cali, Colombia.
Journal of dental research, dental clinics, dental prospects
|August 31, 2023
概括
圆束计算断层扫描 (CBCT) 为牙科治疗规划提供了改进的可视化. 这项研究发现,在观察者之间,在双腹CBCT扫描上,在定位解剖参考点方面,具有很高的可重复性和出色的一致性.
科学领域:
- 牙科 牙科是指牙科的专业.
- 放射学 放射学是一门学科.
- 医疗成像医学成像
背景情况:
- 放射图在牙科诊断中具有可视化限制.
- 圆束计算机断层扫描 (CBCT) 为诊断和治疗规划提供了增强的可视化.
- 准确的地标识别对于精确的双腹CBCT分析至关重要.
研究的目的:
- 评估31个描述的对 bimaxillary CBCT 的参考点的观察者内部和观察者间可重复性.
- 评估地标识别在三个空间平面 (x,y,z) 的一致性.
- 确定CBCT中解剖学参考点位置的标准化方法的可靠性.
主要方法:
- 三名观察员独立地在6名健康患者的CBCT扫描上找到31个参考点,三张.
- 使用弗里德曼测试来评估观察者内部可重现性.
- 观察者之间的一致性是使用类内相关系数 (ICC) 来确定的,具有可复制性的既定范围 (优秀,好,足够,差).
主要成果:
- 在x,y和z平面的地标点位置上实现了高的ICC值 (>0.75).
- 81.7%的点显示出很好的观察者间一致性 (ICC>0.75),只有7.5%显示出差的一致性 (ICC <0.40).
- 对于x平面上的25个点,y平面上的25个点,z平面上的26个点,观察到非常好的一致性 (ICC>0.75).
结论:
- 在比马克斯拉CBCT上解剖参考点的位置表明了高的观察者内可重现性.
- 描述的方法提供了可靠的地标识别在三个空间平面.
- 在CBCT中系统化地标识别可以减少变异性,潜在地提高诊断准确性和治疗规划.
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