Journal of Endodontics
Volume 34, Issue 2 , Pages 198-200 , February 2008

Cutting Efficiency of Five Different Types of Rotary Nickel–Titanium Instruments

  • Edgar Schäfer, Prof Dr

      Affiliations

    • Department of Operative Dentistry, University of Münster, Germany
    • Corresponding Author InformationAddress requests for reprints to Dr Edgar Schäfer, Department of Operative Dentistry, Waldeyerstr 30, D-48149 Münster, Germany.
  • ,
  • Mirjam Oitzinger, DDS

      Affiliations

    • Private Practice, Münster, Germany

References 

  1. Schäfer E, Erler M, Dammaschke T. Comparative study on the shaping ability and cleaning efficiency of rotary Mtwo instruments (Part 2. Cleaning effectiveness and shaping ability in severely curved root canals of extracted teeth). Int Endod J. 2006;39:203–212
  2. Paqué F, Musch U, Hülsmann M. Comparison of root canal preparation using RaCe and ProTaper rotary Ni-Ti instruments. Int Endod J. 2005;38:8–16
  3. Rödig T, Hülsmann M, Kahlmeier C. Comparison of root canal preparation with two rotary NiTi instruments: ProFile .04 and GT Rotary. Int Endod J. 2007;40:553–562
  4. Hülsmann M, Peters O, Dummer PMH. Mechanical preparation of root canals (shaping goals, techniques and means). Endod Topics. 2005;10:30–76
  5. Schäfer E, Vlassis M. Comparative investigation of two rotary nickel-titanium instruments: ProTaper versus RaCe (Part 2. Cleaning effectiveness and shaping ability in severely curved root canals of extracted teeth). Int Endod J. 2004;37:239–248
  6. Peters OA. Current challenges and concepts in the preparation of root canal systems: A review. J Endod. 2004;30:559–567
  7. Bergmans L, van Cleynenbreugel J, Wevers M, Lambrechts P. Mechanical root canal preparation with NiTi rotary instruments: rationale, performance and safety (Status report for the American Journal of Dentistry). Am J Dent. 2001;14:324–333
  8. Jeon IS, Spangberg LSW, Yoon TC, Kazemi RB, Kum KY. Smear layer production by 3 rotary reamers with different cutting blade designs in straight root canals: A scanning electron microscopic study. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2003;96:601–607
  9. Schäfer E, Zapke K. A comparative scanning electron microscopic investigation of the efficiency of manual and automated instrumentation of root canals. J Endod. 2000;26:660–664
  10. Schäfer E. Relationship between design features of endodontic instruments and their properties (Part 1. Cutting efficiency). J Endod. 1999;25:52–55
  11. Rapisarda E, Bonaccorso A, Tripi TR, Condorelli GG, Torrisi L. Wear of nickel-titanium endodontic instruments evaluated by scanning electron microscopy: effect of ion implantation. J Endod. 2001;27:588–592
  12. Rapisarda E, Bonaccorso A, Tripi TR, Fragalk I, Condorelli GG. The effects of surface treatments of nickel-titanium files on wear and cutting efficiency. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2000;89:363–368
  13. Lee DH, Park JB, Saxena A, Serene TP. Enhanced surface hardness by boron implantation in Nitinol alloy. J Endod. 1996;22:43–46
  14. Brading HJ, Morton PH, Bell T, Earwaker LG. The structure and composition of plasma nitrided coatings on titanium. Nucl Instruments Methods Phy Res. 1992;66:230–236
  15. Schäfer E. Effect of physical vapor deposition on cutting efficiency of nickel-titanium files. J Endod. 2002;28:800–802
  16. Tepel J, Schäfer E, Hoppe W. Root canal instruments for manual use: cutting efficiency and instrumentation of curved canals. Int Endod J. 1995;28:68–76
  17. Walia H, Costas J, Brantley W, Gerstein H. Torsional ductility and cutting efficiency of the Nitinol file. J Endod. 1989;15:174;(abstr)
  18. Felt RA, Moser JB, Heuer MA. Flute design of endodontic instruments: its influence on cutting efficiency. J Endod. 1982;8:253–259
  19. Oliet S, Sorin SM. Cutting efficiency of endodontic reamers. Oral Surg Oral Med Oral Pathol. 1973;36:243–252
  20. Camps JJ, Pertot WJ. Machining efficiency of nickel-titanium K-type files in a linear motion. Int Endod J. 1995;28:279–284
  21. Stenman E, Spångberg LS. Machining efficiency of endodontic K files and Hedstrom files. J Endod. 1990;16:375–382
  22. Tepel J, Schäfer E, Hoppe W. Properties of endodontic hand instruments used in rotary motion (Part 1. Cutting efficiency). J Endod. 1995;21:418–421
  23. Schäfer E. Effect of sterilization on the cutting efficiency of PVD-coated nickel-titanium endodontic instruments. Int Endod J. 2002;35:867–872
  24. Tripi TR, Bonaccorso A. Condorelli GG Cyclic fatigue of different nickel-titanium endodontic rotary instruments. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2006;102:e106–e114
  25. Bonaccorso A, Tripi TR, Cantatore G, Condorelli GG. Surface properties of nickel-titanium rotary instruments. ENDO (Lond Engl). 2007;1:45–52
  26. Foschi F, Nucci C, Montebugnoli L, et al. SEM evaluation of canal wall dentine following use of Mtwo and ProTaper NiTi rotary instruments. Int Endod J. 2004;37:832–839
  27. Serene TP, Adams JD, Saxena A. Nickel-titanium instruments (Applications in endodontics). St. Louis: Ishiyaku EuroAmerica Inc; 1995;
  28. Brockhurst P, Hau E. Hardness and strength of endodontic instruments made from NiTi alloy. Aust Endod J. 1998;24:115–119
  29. Grohmann FR, Mathey Y. PVD-coating in dentistry. Zahnärztl Mitt. 1991;81:30–31
  30. Smith DL. Thin film deposition: principles and practice. New York: McGraw Hill; 1995;

PII: S0099-2399(07)00948-X

doi: 10.1016/j.joen.2007.10.009

Journal of Endodontics
Volume 34, Issue 2 , Pages 198-200 , February 2008