Federal University of Rio Grande de Sul, UFRGS, Department of Pediatric Dentistry, Rua Ramiro Barcelos 2492, Porto Alegre-RS, Brazil.
J Dent Educ. 2013 Aug;77(8):1086-91.
This study aimed to evaluate the effect of an e-learning program on the validity and reproducibility of the International Caries Detection and Assessment System (ICDAS) in detecting occlusal caries. For the study, 170 permanent molars were selected. Four dentists in Switzerland who had no previous contact with ICDAS examined the teeth before and after the e-learning program and scored the sites according to ICDAS. Teeth were histologically prepared and assessed for caries extension. The significance level was set at 0.05. Sensitivity before and after the e-learning program was 0.80 and 0.77 (D1), 0.72 and 0.63 (D2), and 0.74 and 0.67 (D3,4), respectively. Specificity was 0.64 and 0.69 (D1), 0.70 and 0.81 (D2), and 0.81 and 0.87 (D3,4). A McNemar test did not show any difference between the values of sensitivity, specificity, accuracy, and area under the ROC curve (AUC) before and after the e-learning program. The averages of wK values for interexaminer reproducibility were 0.61 (before) and 0.66 (after). Correlation with histology presented wK values of 0.62 (before) and 0.63 (after). A Wilcoxon test showed a statistically significant difference between before and after the e-learning program. In conclusion, even though ICDAS performed well in detecting occlusal caries, the e-learning program did not have any statistically significant effect on its performance by these experienced dentists.
本研究旨在评估电子学习计划对国际龋病检测与评估系统（ICDAS）检测窝沟龋的有效性和可重复性的影响。在这项研究中，选择了 170 颗恒牙。4 位来自瑞士、之前没有接触过 ICDAS 的牙医在电子学习计划前后检查了这些牙齿，并根据 ICDAS 对这些部位进行了评分。对牙齿进行了组织学准备，并评估了龋病的扩展情况。显著性水平设定为 0.05。电子学习计划前后的敏感性分别为 0.80 和 0.77（D1）、0.72 和 0.63（D2）以及 0.74 和 0.67（D3，4）。特异性分别为 0.64 和 0.69（D1）、0.70 和 0.81（D2）以及 0.81 和 0.87（D3，4）。McNemar 检验显示，电子学习计划前后的敏感性、特异性、准确性和 ROC 曲线下面积（AUC）值没有差异。观察者间重复性的 wK 值平均值分别为 0.61（之前）和 0.66（之后）。与组织学的相关性分别为 0.62（之前）和 0.63（之后）。Wilcoxon 检验显示，电子学习计划前后有统计学显著差异。总之，尽管 ICDAS 在检测窝沟龋方面表现良好，但对于这些有经验的牙医来说，电子学习计划对其性能并没有任何统计学上的显著影响。
