Objective:To evaluate the diagnostic value of KaVo DIAGNOdent(DD)by comparing the diagnostic results of visual examination(VE)and stereomicroscope.

• 目的:应用激光龋齿探测仪(DD)诊断早期窝沟龋,并与探视诊(VE)、体视显微镜的诊断结果相比较,评估激光龋齿探测仪的应用价值。