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Effect of continuous wave obturation technique for curved canals of posterior teeth.

JIANG Bo,HUANG Jing,CAO Qian,LUO Dong-yun.Department of Stomatology of Xili People's Hospital,Guangdong Shenzhen 518055,China.  
Objective:To evaluate the effect of curved canal obturation in posterior teeth using continuous wave of condensation technique Method:60 cases with curved canals of posterior teeth which need root canal therapy(RCT) were selected and followed up 1~3 years.The patients were randomly divided into three groups of 20 teeth each.The teeth from group A,group B and group C were obturated Using continuous wave of condensation technique,ObturaⅡcondensation technique and cold laterally compacted technique,respectively.The patients were recalled and observed after 6 months.Result:The continuous wave group took the shortest time among these three groups.The continuous wave group resulted in a significantly greater density compared with cold lateral compaction group.The continuous wave group resulted in a significantly better clinical evaluation compared with compared with the other two groups.Conclusion:Continuous wave obturation technique is rapid,simple and effective in obturating curved canals of posterior teeth,and it should be recommanded in clinic.
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