不同方法对牙髓塑化根管进行再疏通治疗的临床对比研究  

The Clinical Application of Three Methods in the Retreatment of Resinified Root Canal

作　　者：李菁[1] 陈光宇[1] 张方明[1] 

机构地区：[1]首都医科大学附属北京友谊医院口腔科,100050

出　　处：《医学研究杂志》2011年第7期131-133,共3页Journal of Medical Research

摘　　要：目的比较回旋手机夹C锉、Hero642机用镍钛锉及显微超声技术3种方法取出根管内塑化物的效果。方法结合手用根管锉和EDTA,分别采用3种方法对336个根管进行再疏通治疗,通过X线、根尖定位仪对疏通效果进行评价。结果回旋手机夹C锉组完全再通率为90%,Hero642镍钛组完全再通率为72.3%,显微超声组完全再通率为68.4%。结论回旋手机夹C锉配合EDTA是塑化根管进行再疏通的首选治疗方法。Objective To evaluate the effect of using reciprocal instrument, Hero 642 NiTi files and microscope ultrasonic technique in removing the resinfying agent in root canals. Methods With handle files and EDTA,a total of 336 resinfying canals were divided into 3 groups. They were treated by three different methods. The effect of retreatment were evaluated by x - ray and root apex loeator. Results The success rate of retreatment were 90% in reciprocal instrument group, 72.3% in NiTi group and 68.4% in microscope ultrasonic tech- nique group. Conclusion Using reciprocal instrument and C files to retreat resinified canals is the first choice in clinic.

关 键 词：塑化治疗 回旋手机 C锉 镍钛锉 显微超声技术 

分 类 号：R711.605[医药卫生—妇产科学]