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Chinese Journal of Stomatological Research(Electronic Edition) ›› 2015, Vol. 09 ›› Issue (04): 337-340. doi: 10.3877/cma.j.issn.1674-1366.2015.04.018

Special Issue:

• Review • Previous Articles    

Research progress of reciprocation

Yuhong Yang1, Qian Tang1,()   

  1. 1. Department of Stomatology, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, China
  • Received:2015-05-14 Online:2015-08-01 Published:2015-08-01
  • Contact: Qian Tang
  • About author:
    Corresponding author: Tang Qian, Email: , Tel: 020-85253036

Abstract:

The prevention of the separation of NiTi instruments in root canal preparation process due to cyclic fatigue and torsional stress and the promotion of the instuments′ shaping abilitity are significant to improve the quality of root canal treatment and to reduce iatrogenic complications. The reciprocating motion of NiTi instruments proposed in recent years has been proved to improve the safety of instrumentation and to prolong the files′ lifespan. The advantages and shortcomings of reciprocation compared with the traditional continuous rotation motion have attracted the wide attention of scholars. In this paper, the recent research progresses in reciprocation are reviewed.

Key words: Reciprocation, Continuous Rotation, Instrument Separation, Dentinal Micro-cracks

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