Journal of Endodontics
Volume 31, Issue 2 , Pages 120-123 , February 2005

Analysis of Torque and Force with Differently Tapered Rotary Endodontic Instruments In Vitro

  • Charlotte Schrader, Dr Med Dent
    • ,
  • Ove A. Peters, PD, Dr Med Dent, MS, FICD

      Affiliations

    • Corresponding Author InformationAddress request for reprints to Dr. Ove Peters, Clinic for Preventive Dentistry, Periodontology and Cariology, Center of Dental and Oral Medicine and Cranio-Maxillofacial Surgery, University of Zürich, Plattenstr. 11, CH-8028 Zurich, Switzerland;

References 

  1. Peters OA . Current challenges and concepts in the preparation of root canal systems: a review . J Endod . 2004;30:559–567
  2. Bryant ST , Thompson SA , al-Omari MA , Dummer PM . Shaping ability of ProFile rotary nickel-titanium instruments with ISO sized tips in simulated root canals: part 2 . Int Endod J . 1998;31:282–289
  3. Bryant ST , Thompson SA , al-Omari MA , Dummer PM . Shaping ability of ProFile rotary nickel-titanium instruments with ISO sized tips in simulated root canals: part 1 . Int Endod J . 1998;31:275–281
  4. Peters OA , Laib A , Göhring TN , Barbakow F . Changes in root canal geometry after preparation assessed by high-resolution computed tomography . J Endod . 2001;27:1–6
  5. Barbakow F , Lutz F . The “Lightspeed” preparation technique evaluated by Swiss clinicians after attending continuing education courses . Int Endod J . 1997;30:46–50
  6. Mandel E , Adib-Yazdi M , Benhamou L-M , Lachkar T , Mesgouez C , Sobel M . Rotary Ni-Ti profile systems for preparing curved canals in resin blocks: influence of operator on instrument breakage . Int Endod J . 1999;32:436–443
  7. Sattapan B , Nervo GJ , Palamara JEA , Messer HH . Defects in rotary nickel-titanium files after clinical use . J Endod . 2000;26:161–165
  8. Yared GM , Bou Dagher FE , Machtou P . Influence of rotational speed, torque and operator's proficiency on ProFile failures . Int Endod J . 2001;34:47–53
  9. Ruddle CJ . Nickel-titanium rotary systems: review of existing instruments and geometries . Dent Today . 2000;19:86–88 90-5
  10. Zelada G , Varela P , Martin B , Bahillo JG , Magan 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
  11. Yared G , Bou Dagher F , Kulkarni K . Influence of torque control motors and the operator's proficiency on ProTaper failures . Oral Surg Oral Med Oral Pathol Oral Radiol Endod . 2003;96:229–233
  12. Iqbal MK , Maggiore F , Suh B , Edwards KR , Kang J , Kim S . Comparison of apical transportation in four Ni-Ti rotary instrumentation techniques . J Endod . 2003;29:587–591
  13. Peters OA , Barbakow F . Dynamic torque and apical forces of ProFile. 04 rotary instruments during preparation of curved canals . Int Endod J . 2002;35:379–389
  14. Schrader C , Ackermann M , Barbakow F . Step-by-step description of a rotary root canal preparation technique . Int Endod J . 1999;32:312–320
  15. Wu M-K , Fan B , Wesselink P . Leakage along apical root fillings in curved root canals. Part I: Effects of apical transportation on seal of root fillings . J Endod . 2000;26:210–216
  16. Pettiette MT , Olutayo Delano E , Trope M . Evaluation of success rate of endodontic treatment performed by students with stainless-steel K-files and nickel-titanium hand files . J Endod . 2001;27:124–127
  17. Mesgouez C , Rilliard F , 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
  18. Blum JY , Machtou P , Micallef JP . Location of contact areas on rotary Profile instruments in relationship to the forces developed during mechanical preparation on extracted teeth . Int Endod J . 1999;32:108–114
  19. Sattapan B , Palamara JE , Messer HH . Torque during canal instrumentation using rotary nickel-titanium files . J Endod . 2000;26:156–160
  20. Blum JY , Machtou P , Ruddle C , Micallef JP . Analysis of mechanical preparations in extracted teeth using ProTaper rotary instruments: value of the safety quotient . J Endod . 2003;29:567–575
  21. Peters OA , Peters CI , Schönenberger 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
  22. Hübscher W , Barbakow F , Peters OA . Root canal preparation with FlexMaster: assessment of torque and force in relation to canal anatomy . Int Endod J . 2003;36:883–890
  23. Haikel Y , Serfaty R , Bateman G , Senger B , Allemann C . Dynamic and cyclic fatigue of engine-driven rotary nickel-titanium endodontic instruments . J Endod . 1999;25:434–440

PII: S0099-2399(05)60035-0

doi: 10.1097/01.don.0000137634.20499.1d

Journal of Endodontics
Volume 31, Issue 2 , Pages 120-123 , February 2005

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