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[The application of desocclusol and manual mechanical method in endodontic retreatment]
Ai-min Zhao1, Hai-liang Zhang, Xiao-yan Ou
1Department of Preventive Dentistry, the Affiliated Stomatological Hospital of Nanchang University, Nanchang 330006, Jiangxi Province, China. aiminzhao167@163.com
Purpose:
To investigate the clinical method to remove a gutta-percha and root canal sealers.
Methods:
168 root canals which had been filled with gutta-percha were selected,all root canals needed endodontic retreatment.The root canal fillings were removed and the root canal was re-prepared with the method of desocclusol and manual mechanical method. Then the root canal was filled again with lateral condensation technique.
Results:
With manual mechanical method and desocclusol,all original root canal fillings were removed completely. The combined method could effectively prevent the formation of step,root canal-side wear,broken equipment or other complications during the course of retreatment.The success rate of retreatment was 89.3%.
Conclusions:
Combined manual mechanical method with desocclusol could improve the success rate of recanalization of the root canal and saved time and effort. It is a method which could reduce the intensity and improve the efficiency of dentists, and worthy of wide clinical application.
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