Journal of Endodontics
Volume 33, Issue 11 , Pages 1334-1337 , November 2007

Evaluation of the Surface Characteristics of Used and New ProTaper Instruments: An Atomic Force Microscopy Study

  • Ugur Inan, DDS, PhD

      Affiliations

    • Department of Endodontics and Restorative Dentistry, Faculty of Dentistry, Ondokuz Mayıs University, Samsun
    • ,
  • Cumhur Aydin, DDS, PhD

      Affiliations

    • Department of Endodontics and Conservative Treatment, Center for Dental Sciences, Gulhane Military Medical Academy, Ankara, Turkey
    • Corresponding Author InformationAddress requests for reprints to Dr Cumhur Aydin, Harvard Medical School, Massachusetts General Hospital, 50 Blossom St, Thier 10, Boston, MA 02114.
    • ,
  • Ozgur Uzun, DDS, PhD

      Affiliations

    • Department of Endodontics and Conservative Treatment, Faculty of Dentistry, Gazi University, Ankara, Turkey.
    • ,
  • Ozgur Topuz, DDS, PhD

      Affiliations

    • Department of Endodontics and Conservative Treatment, Faculty of Dentistry, Gazi University, Ankara, Turkey.
    • ,
  • Tayfun Alacam, DDS, PhD

      Affiliations

    • Department of Endodontics and Conservative Treatment, Faculty of Dentistry, Gazi University, Ankara, Turkey.

References 

  1. Peters OA. Current challenges and concepts in the preparation of root canal systems: a review. J Endod. 2004;30:559–567
  2. Peters OA, Peters CI. Cleaning and shaping of the root canal system. In:  Cohen S,  Hargreaves KM editor. Pathways of the pulp. 9th ed.. St Louis, MO: Mosby Inc; 2006;p. 305
  3. Sattapan B, Nervo GJ, Palamara JEA, Messer HH. Defects in rotary nickel-titanium files after clinical use. J Endod. 2000;26:161–165
  4. Fife D, Gambarini G, Britto LR. Cyclic fatigue testing of ProTaper NiTi rotary instruments after clinical use. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2004;97:251–256
  5. Bahia MGA, Buono VTL. Decrease in the fatigue resistance of nickel-titanium rotary instruments after clinical use in curved root canals. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2005;100:249–255
  6. Plotino G, Grande NM, Sorci E, Malagnino VA, Somma F. A comparison of cyclic fatigue between used and new Mtwo Ni-Ti rotary instruments. Int Endod J. 2006;39:716–723
  7. Wei X, Ling J, Jiang J, Huang X, Liu L. Modes of failure of ProTaper nickel-titanium rotary instruments after clinical use. J Endod. 2007;33:276–279
  8. Tripi TR, Bonaccorso A, Tripi V. Defects in GT Rotary instruments after use: a SEM study. J Endod. 2001;27:782–785
  9. Martins RC, Bahia MGA, Buono VTL. Surface analysis of ProFile instruments by scanning electron microscopy and x-ray energy-dispersive spectroscopy: a preliminary study. Int Endod J. 2002;35:848–853
  10. Clauder T, Baumann MA. ProTaper NT system. Dent Clin North Am. 2004;48:87–111
  11. Alapati SB, Brantley WA, Svec TA, Powers JM, Mitchell SC. Scanning electron microscope observations of new and used nickel-titanium rotary files. J Endod. 2003;29:667–669
  12. Svec TA, Powers JM. The deterioration of rotary nickel-titanium files under controlled conditions. J Endod. 2002;28:105–107
  13. Cheung GSP, Peng B, Bian Z, Shen Y, Darvell BW. Defects in ProTaper S1 instruments after clinical use: fractographic examination. Int Endod J. 2005;38:802–809
  14. Troian CH, Só MVR, Figueiredo JAP, Oliveira EPM. Deformation and fracture of RaCe and K3 endodontic instruments according to the number of uses. Int Endod J. 2006;39:616–625
  15. Gadegaard N. Atomic force microscopy in biology: technology and techniques. Biotech Histochem. 2006;81:87–97
  16. Jandt KD. Atomic force microscopy of biomaterials surfaces and interfaces. Surf Sci. 2001;491:303–332
  17. 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
  18. Shen Y, Bian Z, Cheung GS, Peng B. Analysis of defects in ProTaper hand-operated instruments after clinical use. J Endod. 2007;33:287–290
  19. Berutti E, Chiandussi G, Gaviglio I, Ibba A. Comparative analysis of torsional and bending stresses in two mathematical models of nickel-titanium rotary instruments: ProTaper versus ProFile. J Endod. 2003;29:15–19
  20. Barbour ME, Rees JS. The laboratory assessment of enamel erosion: a review. J Dent. 2004;32:591–602
  21. Thomson SA. An overview of nickel-titanium alloys used in dentistry. Int Endod J. 2000;33:297–310
  22. Valois CRA, Silva LP, Azevedo RB. Atomic force microscopy study of stainless steel and nickel-titanium files. J Endod. 2005;31:882–885

PII: S0099-2399(07)00693-0

doi: 10.1016/j.joen.2007.07.014

Journal of Endodontics
Volume 33, Issue 11 , Pages 1334-1337 , November 2007

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