Objective: To evaluate the diagnostic efficacy of the bitewing radiograph(BWR),clinic examination(CE) and laser fluorescence examination (LF) for detection of initial posterior approximal caries .
体外评价比较平行投照的

片(BWR)、激光荧光法(LF)和模拟临床
(CE)
3种诊断方法对早期邻面龋的诊断水平。


,
致牙齿表面形成洞穴,是牙齿损坏

听
18. M: 恐怕今天没


