Journal of Endodontics
Volume 35, Issue 3 , Pages 408-412 , March 2009

Use of Nickel-Titanium Rotary PathFile to Create the Glide Path: Comparison With Manual Preflaring in Simulated Root Canals

  • Elio Berutti, MD, DDS

      Affiliations

    • Department of Endodontics, School of Dentistry, University of Turin, Turin, Italy
    • ,
  • Giuseppe Cantatore, MD, DDS

      Affiliations

    • Department of Endodontics, School of Dentistry, University of Verona, Verona, Italy
    • ,
  • Arnaldo Castellucci, MD, DDS

      Affiliations

    • Department of Endodontics, School of Dentistry, University of Florence, Italy
    • ,
  • Giorgio Chiandussi, MSc, PhD

      Affiliations

    • Department of Mechanics, Polytechnical School of Turin, Turin, Italy
    • ,
  • Francesco Pera, DDS

      Affiliations

    • Department of Endodontics, School of Dentistry, University of Turin, Turin, Italy
    • ,
  • Giuseppe Migliaretti, MD

      Affiliations

    • Department of Public Health and Microbiology, University of Turin, Turin, Italy
    • ,
  • Damiano Pasqualini, DDS

      Affiliations

    • Department of Endodontics, School of Dentistry, University of Turin, Turin, Italy
    • Corresponding Author InformationAddress requests for reprints to Dr Damiano Pasqualini, via Barrili, 9, 10134 Torino, Italy.

References 

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  2. Shen Y, Cheung GS, Bian Z, Peng B. Comparison of defects in Profile and ProTaper systems after clinical use. J Endod. 2006;32:61–65
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  4. Pruett JP, Clement DJ, Carnes DL. Cyclic fatigue testing of nickel-titanium endodontic instruments. J Endod. 1997;23:77–85
  5. Zelada G, Valera P, Biedma MB, Bahìllo JG, Magàn F, Ahn S. The effect of rotational speed and the curvature of root canals on the breakage of rotary endodontic instruments. J Endod. 2002;28:540–542
  6. Kuhn G, Jordan L. Fatigue and mechanical properties of nickel-titanium testing endodontic instruments. J Endod. 2002;28:716–720
  7. Biedma MB, Zelada G, Varela Patiño P, et al. Factors influencing the fracture of nickel-titanium rotary instruments. Int Endod J. 2003;36:262–266
  8. Kobayashi C, Yoshioka T, Suda H. A new engine-driven canal preparation system with electronic canal measuring capability. J Endod. 1997;23:751–754
  9. Blum JY, Cohen P, Machtou P, Micallet JP. Analysis of forces developed during mechanical preparation of extracted teeth using ProFile NiTi rotary instruments. Int Endod J. 1999;32:24–31
  10. Peters OA, Peters CI, Schönenberg K, Barbakow F. ProTaper rotary root canal preparation: assessment of torque and force in relation to canal anatomy. Int Endod J. 2003;36:93–99
  11. Yared GM, Bou Dagher FE, Machtou P. Influence of rotational speed, torque and operator's proficiency on ProFile failure. Int Endod J. 2001;34:47–53
  12. Roland DD, Andelin WE, Browning DF, Hsu GH, Torabinejad M. The effect of preflaring on the rates of separation for 0.04 taper nickel-titanium rotary instruments. J Endod. 2002;28:543–545
  13. Peters OA, Peters CI, Schönenberg K, Barbakow F. ProTaper Rotary root canal preparation: effects of canal anatomy on final shape analysed by micro CT. Int Endod J. 2003;36:86–92
  14. Berutti E, Negro AR, Lendini M, Pasqualini D. Influence of manual preflaring and torque on the failure rate of ProTaper instruments. J Endod. 2004;30:228–230
  15. Varela Patiño P, Biedma MB, Rodriguez Liebana C, Cantatore G, Bahillo JG. The influence of a manual glide path on the separation rate of NiTi rotary instruments. J Endod. 2005;31:114–116
  16. Available at: http://en.wikipedia.org/wiki/Bezier_curve. Accessed January 23, 2009.
  17. Thompson SA, Dummer PMH. Shaping ability of Hero 642 rotary nickel-titanium instruments in simulated root canals: part 2. In Endod J. 2000;33:255–261
  18. Ding-ming H, Hong-xia L, Cheung GSP, Lan Z, Hong T, Xue-dong Z. Study of the progressive changes in canal shape after using different instruments by hand in simulated S-shaped canals. J Endod. 2007;33:986–989
  19. Yoshimine Y, Ono M, Akamine A. The shaping effects of three nickel-titanium rotary instruments in simulated s-shaped canals. J Endod. 2005;31:373–375
  20. Merret SJ, Briant ST, Dummer PMH. Comparison of the shaping ability of Race and FlexMaster rotary nickel-titanium systems in simulated canals. J Endod. 2006;32:960–962
  21. Mandel E, Adib-Yazdi M, Benhamou LM, Lachkar T, Mesgouez C, Sobel M. Rotary Ni-Ti rotary profile systems for preparing curved canals in resin blocks: influence of operator on instrument breakage. Int Endod J. 1999;32:436–443
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  23. Yared G, Bou Dagher F, Machtou P. Influence of rotational speed, torque and operator's proficiency on Profile failures. Int Endod J. 2001;34:47–53
  24. Yared GM, Bou Dagher FE, Machtou P, Kulkami GK. Influence of rotational speed, torque and operator's proficiency on failure of Greater Taper files. Int Endod J. 2002;35:7–12
  25. Yared GM, Bou Dagher FE, Kulkami GK. Influence of torque control motors and the operator's proficiency on ProTaper failure. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2003;96:220–233
  26. Mesgouez C, Rilliard L, Matossian L, Nassiri K, Mandel E. Influence of operator experience on canal preparation time when using the rotary Ni-Ti ProFile system in simulated curved canals. Int Endod J. 2003;36:161–165

PII: S0099-2399(08)01114-X

doi: 10.1016/j.joen.2008.11.021

Journal of Endodontics
Volume 35, Issue 3 , Pages 408-412 , March 2009

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