银汞合金、磷酸锌粘固粉和玻璃离子在根分叉穿孔修复中的比较宁夏银川市口腔医院（７５０００１）方艳宋娟杨志玲在临床上，常见牙体髓底龋、颈根部龋和牙髓病治疗中的意外穿底等引起的根分叉穿孔，没有得到有效治疗后，导致牙周病变，最终牙齿缺失。因此，有必要选用一种... Silver amalgam, zinc phosphate cement and glass ions in the root bifurcation perforation repair Ningxia Yinchuan Stomatological Hospital (750001) Fang Yan Song Juan Yang Zhiling In clinical practice, common dental pulp, caries and dental root caries The root bifurcation perforation caused by the accidental wearing of the endometriosis in the myelopathy, etc., leads to periodontal lesions without the effective treatment, resulting in the loss of the final tooth. Therefore, it is necessary to choose a ...