methods 208 cases of acute pulpitis of molars without carious lesions was collected and analyzed.
方法收集我科2 0 8例非龋性磨牙急性牙髓炎病例的临床诊治情况,进行总结分析。
compared with natural caries observed by microscope, the carious lesions could be also divided into three zones: surface zone, subsurface zone and lesion zone.