Olivieri JG, García-Font M, Gonzalez-Sanchez JA, Roig-Cayon M, Durán-Sindreu F. Danger zone analysis using cone beam computed tomography after apical enlargement with K3 and K3XF in a manikin model. J Clin Exp Dent. 2016;8(4):e361-7.

 

doi:10.4317/jced.52523

http://dx.doi.org/doi:10.4317/jced.52523

 

References

1. Abou-Rass M, Frank AL, Glick DH. The anticurvature filing method to prepare the curved root canal. J Am Dent Assoc. 1980;101:792-4.
http://dx.doi.org/10.14219/jada.archive.1980.0427
PMid:6935269

 

2. Bower RC. Furcation morphology relative to periodontal treatment (furcation root surface anatomy). J Periodontol. 1979;50:366-74.
http://dx.doi.org/10.1902/jop.1979.50.7.366
PMid:288913

 

3. Kessler JR, Peters DD, Lorton L. Comparison of the relative risk of molar root perforation using various endodontic instrumentation techniques. J Endod. 1983;9:439-77.
http://dx.doi.org/10.1016/S0099-2399(83)80260-X

PMid:6579170

 

4. Garcia Filho PF, Letra P, Menezes R, Rezende do Carmo AM. Danger zone in mandibular molars before instrumentation: An in vitro study. J Appl Oral Sci. 2003;11:324-6.
http://dx.doi.org/10.1590/S1678-77572003000400009
PMid:21394408

 

5. Berutti L, Fedon G. Thickness of cementum/dentin in mesial root of mandibular first molars. J Endod. 1992;18:545-8.
http://dx.doi.org/10.1016/S0099-2399(06)81211-2

PMid:1298791

 

6. Schilder H. Cleaning and shaping the root canal. Dent Clin North Am. 1974;18:269-96.
PMid:4522570

 

7. Chow TW. Mechanical effectiveness of root canal irrigation. J Endod. 1983;9:475-9.
http://dx.doi.org/10.1016/S0099-2399(83)80162-9

PMid:6586975

 

8. Isom TL, Marshall JG, Baumgartner JC. Evaluation of root thickness in curved canals after flaring. J Endod. 1995;21:368-371.
http://dx.doi.org/10.1016/S0099-2399(06)80972-6

PMid:7499977

 

9. Assif D, Gorfil C. Biomechanical considerations in restoring endodontically treated teeth. J Prosth Den. 1994;71:565-7.
http://dx.doi.org/10.1016/0022-3913(94)90438-3

PMid:8040817

 

 

10. Lopes HP, Gambarra-Soares T, Elias CN, Siqueira JF Jr, Inojosa IF, Lopes WS, et al. Comparison of the mechanical properties of rotary instruments made of conventional nickel-titanium wire, M-wire, or nickel-titanium alloy in R-phase. J Endod. 2013;39:516-20.
http://dx.doi.org/10.1016/j.joen.2012.12.006
PMid:23522548

 

11. Gergi R, Rjeily JA, Sader J, Naaman A. Comparison of canal transportation and centering ability of twisted files, Pathfile-ProTaper system, and stainless steel hand K-files by using computed tomography. J Endod. 2010;36:904-7.
http://dx.doi.org/10.1016/j.joen.2009.12.038
PMid:20416443

 

12. Iqbal MK, Floratos S, Hsu YK, Karabucak B. An in vitro comparison of Profile GT and GTX nickel-titanium rotary instruments in apical transportation and length control in mandibular molar. J Endod. 2010;36:302-4.
http://dx.doi.org/10.1016/j.joen.2009.10.021
PMid:20113795

 

13. Olivieri JG, Stöber EK, García M, Gonzalez JA, Bragado P, Roig M, et al. In vitro Comparison in a Manikin Model: Increasing Apical Enlargement with K3 and K3XF Rotary Instruments. J Endod. 2014;40:1463-7.
http://dx.doi.org/10.1016/j.joen.2014.02.023

PMid:25146034

 

14. Perez-Higueras JJ, Arias A, de la Macorra JC. Cyclic fatigue resistance of K3, K3XF, and twisted file nickel- titanium files under continuous rotation or reciprocating motion. J Endod. 2013;39:1585-8.
http://dx.doi.org/10.1016/j.joen.2013.07.020
PMid:24238452

 

15. Gambarini G, Plotino G, Grande NM, et al. Mechanical properties of nickel-titanium rotary instruments produced with a new manufacturing technique. Int Endod J. 2011;44:337-41.
http://dx.doi.org/10.1111/j.1365-2591.2010.01835.x
PMid:21219362

 

16. Bramante CM, Berbert A, Borges RP. A methodology for evaluation of root canal instrumentation. J Endod. 1987;13:243-5.
http://dx.doi.org/10.1016/S0099-2399(87)80099-7

PMid:3473181

 

17. Sydney GB, Batista A, Melo LL. The radiographic platform: a new method to evaluate root canal preparation. J Endod. 1991;17:570-2.
http://dx.doi.org/10.1016/S0099-2399(06)81724-3

PMid:1812207

 

18. Zhao D, Shen Y, Peng B, Haapasalo M. Micro-Computed Tomography Evaluation of the Preparation of Mesiobuccal Root Canals in Maxillary First Molars with Hyflex CM, Twisted Files, and K3 Instruments. J Endod. 2013;39:385-8.
http://dx.doi.org/10.1016/j.joen.2012.11.030
PMid:23402512

 

19. Ounsi HF, Franciosi G, Paragliola R, Al-Hezaimi K, Salameh Z, Tay FR, et al. Comparison of two techniques for assessing the shaping efficacy of repeatedly used nickel-titanium rotary instruments. J Endod. 2011;37:847-50.
http://dx.doi.org/10.1016/j.joen.2011.02.030
PMid:21787503

 

20. Capar ID, Ertas H, Ok E, Arslan H, Ertas ET. Comparative Study of Different Novel Nickel-Titanium Rotary Systems for Root Canal Preparation in Severely Curved Root Canals. J Endod. 2014;40:852-6.
http://dx.doi.org/10.1016/j.joen.2013.10.010
PMid:24862716

 

21. Pruett JP, Clement DJ, Carnes DL Jr. Cyclic fatigue testing of nickel titanium endodontic instruments. J Endod. 1997;23:77-85.
http://dx.doi.org/10.1016/S0099-2399(97)80250-6

PMid:9220735

 

22. Gambill JM, Alder M, del Rio CE. Comparison of nickel-titanium and stainless steel hand-file instrumentation using computed tomography. J Endod. 1996;22:369-75.
http://dx.doi.org/10.1016/S0099-2399(96)80221-4

PMid:8935064

 

23. Lim SS, Stock CJ. The risk of perforation in the curved canal: anticurvature filing compared with the stepback technique. Int Endod J. 1987;20:33-9.
http://dx.doi.org/10.1111/j.1365-2591.1987.tb00586.x

PMid:3468086

 

24. 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.
http://dx.doi.org/10.1097/00004770-200101000-00001
PMid:11487156

 

25. Hülsmann M, Peters OA, Dummer PMH. Mechanical preparation of root canals: shaping goals, techniques and means. Endod Topics. 2005;10:30-76.
http://dx.doi.org/10.1111/j.1601-1546.2005.00152.x

 

26. Vanni JR, Santos R, Limongi O, Guerisoli DMZ, Capelli A, Pecora JD. Influence of cervical preflaring on determination of apical file size in maxillary molars: SEM analysis. Braz Dent J. 2005;16:181-6.
http://dx.doi.org/10.1590/S0103-64402005000300002
PMid:16429181

 

27. Sanfelice CM, da Costa FB, Reis MV, Vier-Pelisser F, Souza Bier CA, Grecca FS. Effects of four instruments on coronal pre-enlargement by using cone beam computed tomography. J Endod. 2010;36:858-61.
http://dx.doi.org/10.1016/j.joen.2009.12.003
PMid:20416433

 

28. Siqueira JF, Lima KC, Magalhaes FA, Lopes HP, de Uzeda M. Mechanical reduction of the bacterial population in the root canal by three instrumentation techniques. J Endod. 1999;25:332-5.
http://dx.doi.org/10.1016/S0099-2399(06)81166-0

PMid:10530256

 

29. Salzgeber RM, Brilliant JD. An in vivo evaluation of the penetration of an irrigating solution in root canals. J Endod. 1977;3:394-8.
http://dx.doi.org/10.1016/S0099-2399(77)80172-6

PMid:270543

 

30. Buchanan LS. The standardized-taper root canal preparation: part 3. GT file technique in large root canals with small apical diameters. Int Endod J. 2001;34:149-56.
http://dx.doi.org/10.1046/j.1365-2591.2001.00386.x
PMid:11307264

 

31. Yared GM, Dagher FE. Influence of apical enlargement on bacterial infection during treatment of apical periodontitis. J Endod. 1994;20:535-7.
http://dx.doi.org/10.1016/S0099-2399(06)80067-1

PMid:7643036

 

32. 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;36:288-95.
http://dx.doi.org/10.1046/j.1365-2591.2003.00650.x
PMid:12702124

 

33. Moore J, Fitz-Walter P, Parashos P. A micro-computed tomographic evaluation of apical root canal preparation using three instrumentation techniques. Int Endod J. 2009;42:1057-64.
http://dx.doi.org/10.1111/j.1365-2591.2009.01626.x
PMid:19912375