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Int J Stomatol

Inter J Stomatol ›› 2008, Vol. 35 ›› Issue (1): 10-12.

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Clinical observation between ProTaper nickel- titanium hand- file and stainless s

XU Ying，REN Zhi- wei   

  1. Dept. of Stomatology, Chengdu Railway Central Hospital, Chengdu 610081, China
  • Received:2007-09-09 Revised:2007-10-28 Online:2008-01-20 Published:2008-01-20
  • Contact: XU Ying

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Abstract:

Objective To compare the clinical efficacy of root canal preparation between the techniques of using ProTaper nickel- titanium hand- file and the standard hand stainless steel H file. Methods 120 teeth of 100 cases of pulpitis and periapical periodontitis were randomly divided into two groups, 60 teeth in each. 60 teeth of group 1 were used standard hand stainless steel H file and step- back technique. 60 teeth of group 2 were used ProTaper nickel- titanium hand- file preparation and crown- downward technique. The clinical efficacy was observed for three months after root canal therapy completed. Results After the root canal therapy completed, the clinical efficacy of group 2 was superior to that of group 1（P<0.05）. Conclusion Using ProTaper flexible hand- file system, the success rate of root canal preparation is high. And the techniques of using ProTaper flexible hand- file system is worthy of promotion and application.

Key words: root canal preparation')">root canal preparation, ProTaper nickel- titanium hand- file, stainless steel H file


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