1. Glossen CR, Haller RH, Dove SB, del Rio CE. A comparison of root canal preparations using Ni-Ti hand, Ni-Ti engine-driven, and K-Flex endodontic instruments. J Endod. 1995. 21:146–151.
Article
2. Walia HM, Brantley WA, Gerstein H. An initial investigation of the bending and torsional properties of Nitinol root canal files. J Endod. 1988. 14:346–351.
Article
3. Schäfer E, Schulz-Bongert U, Tulus G. Comparison of hand stainless steel and nickel titanium rotary instrumentation: a clinical study. J Endod. 2004. 30:432–435.
Article
4. Chen JL, Messer HH. A comparison of stainless steel hand and rotary nickel-titanium instrumentation using a silicone impression technique. Aust Dent J. 2002. 47:12–20.
Article
5. Garip Y, Gunday M. The use of computed tomography when comparing nickel-titanium and stainless steel files during preparation of simulated curved canals. Int Endod J. 2001. 34:452–457.
Article
6. Pettiette MT, Delano EO, 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.
Article
7. Schäfer E. Shaping ability of Hero 642 rotary nickel-titanium instruments and stainless steel hand K-Flexofiles in simulated curved root canals. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2001. 92:215–220.
Article
8. Peters OA. Current Challenges and Concepts in the Preparation of Root Canal Systems: A Review. J Endod. 2004. 30:559–567.
Article
9. Kum KY, Spängberg L, Cha BY, Jung IY, Lee SJ, Lee CY. Shaping ability of three ProFile rotary instrumentation techniques in simulated resin root canals. J Endod. 2000. 26:719–723.
Article
10. Schäfer E, Erler M, Dammaschke T. Comparative study on the shaping ability and cleaning efficiency of rotary Mtwo instruments. Part 1. Shaping ability in simulated curved canals. Int Endod J. 2006. 39:196–202.
Article
11. Veltri M, Mollo A, Mantovani L, Pini P, Balleri P, Grandini S. A comparative study of Endoflare-Hero Shaper and Mtwo NiTi instruments in the preparation of curved root canals. Int Endod J. 2005. 38:610–616.
Article
12. Schneider SW. A comparison of canal preparations in straight and curved root canals. Oral Surg. 1971. 32:271–275.
Article
13. Gunday M, Sazak H, Garip Y. A comparative study of three different root canal curvature measurement techniques and measuring the canal access angle in curved canals. J Endod. 2005. 31:796–798.
Article
14. Kim HC, Park JK, Hur B. Relative efficacy of three Ni-Ti file systems used by undergraduates. J Korean Acad Conserv Dent. 2005. 30:38–48.
Article
15. Bergmans L, Van Cleynenbreugel J, Beullens M, Wevers M, Van Meerbeek B, Lambrechts P. Progressive versus constant tapered shaft design using NiTi rotary instruments. Int Endod J. 2003. 36:288–295.
Article
16. Calhoun G, Montgomery S. The effects of four instrumentation techniques on root canal shape. J Endod. 1988. 14:273–277.
Article
17. Kosa DA, Marshall G, Baumgartner JC. An analysis of canal centering using mechanical instrumentation techniques. J Endod. 1999. 25:441–445.
Article
18. Foschi F, Nucci C, Montebugnoli L, Marchionni S, Breschi L, Malagnino VA, Prati C. SEM evaluation of canal wall dentine following use of Mtwo and ProTaper NiTi rotary instruments. Int Endod J. 2004. 37:832–839.
Article
19. 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.
Article
20. Berutti E, Chiandussi G, Gaviqlio 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.
Article
21. Calberson FL, Deroose CA, Hommez GM, De Moor RJ. Shaping ability of ProTaper nickel-titanium files in simulated resin root canals. Int Endod J. 2004. 37:613–623.
Article
22. Iqbal MK, Firic S, Tulcan J, Karabucak B, Kim S. Comparison of apical transportation between ProFile and ProTaper NiTi rotary instruments. Int Endod J. 2004. 37:359–364.
Article
23. Schäfer E, Vlassis M. Comparative investigation of two rotary nickel-titanium instruments: ProTaper versus RaCe. Part 1. Shaping ability in simulated curved canals. Int Endod J. 2004. 37:229–238.
Article
24. Yun HH, Kim SK. A comparison of the shaping abilities of 4 nickel-titanium rotary instruments in simulated root canals. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2003. 95:228–233.
Article
25. Peters OA, Peters CI, Schöneberger K, Barbakov F. ProTaper rotary root canal preparation: effect of canal anatomy on final shape analyzed by micro CT. Int Endod J. 2003. 36:86–92.
Article
26. Hong ES, Park JK, Hur B, Kim HC. Comparison of shaping ability between various hybrid instrumentation methods with ProTaper. J Korean Acad Conserv Dent. 2006. 31:11–19.
Article
27. Peters OA, Peters CI, Schönenberger K, Barbakow F. assessment of torque and force in relation to canal anatomy. Int Endod J. 2003. 36:93–99.
28. Diemer F, Calas P. Effect of pitch length on the behaviour of rotary triple helix root canal instruments. J Endod. 2004. 30:716–718.
Article
29. 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.
30. Leeb JI. Canal orifice enlargement as related to biomechanical preparation. J Endod. 1983. 9:463–470.
Article
31. Schrader C, Peters OA. Analysis of torque and force with differently tapered rotary endodontic instruments in vitro. J Endod. 2005. 31:120–123.
Article
32. Sattapan B, Nervo GJ, Palamara JE, Messer HH. Defects in rotary nickel-titanium files after clinical use. J Endod. 2000. 26:161–165.
Article
33. Cohen S, Burns RC. Pathways of the pulp. 1999. 7th edition. Translation Shinhung International, Inc.;252–254.