Int J Stomatol ›› 2023, Vol. 50 ›› Issue (5): 581-586.doi: 10.7518/gjkq.2023086

• Reviews • Previous Articles     Next Articles

Application and development of supplementary techniques in removing the remaining filling materials of root canal retreatment

Zhao Yuanxi(),Su Qin.()   

  1. State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
  • Received:2022-09-13 Revised:2023-05-26 Online:2023-09-01 Published:2023-09-01
  • Contact: Qin. Su E-mail:763291093@qq.com;1176629149@qq.com
  • Supported by:
    Science and Technology Projects of Sichuan Province(2018SZ0129)

Abstract:

Root canal retreatment involves removing the original infected filling materials, preparing, cleaning, and fil-ling the root canal again in a crown down direction. The effective removal of filling materials is the basis of successful retreatment. Techniques of root filling removal using manual instruments and mechanical Ni-Ti retreatment have been widely used in clinical. For further improvement in the rate of root filling removal, supplementary techniques have been deve-loped on the basis of conventional mechanical system. Some examples include using self-adjusting file, XP-Endo files, kinetic energy irrigation system, laser and continuous flushing out of the canal to remove the filling materials. This review summarizes the application and development of new supplementary techniques to provide reference for improving the rate of root filling material removal in clinical work.

Key words: root canal retreatment, root filling materials, supplementary techniques

CLC Number: 

  • R 781.05

TrendMD: 
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