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VOLUME 15 , ISSUE 12 ( December, 2024 ) > List of Articles

ORIGINAL RESEARCH

Comparative Evaluation of Dentinal Microcracks Using Single-file Systems with and without a Prior Glide Path: An In Vitro Study

Divya Naik, Amisha Saoji, Sumanthini Margasahayam, Anuradha Patil, Antara Ghosh, Jimish Shah

Keywords : Dentinal microcrack, Glide path, Root canal preparation, Single file system, TruNatomy, XP-endo Shaper

Citation Information : Naik D, Saoji A, Margasahayam S, Patil A, Ghosh A, Shah J. Comparative Evaluation of Dentinal Microcracks Using Single-file Systems with and without a Prior Glide Path: An In Vitro Study. World J Dent 2024; 15 (12):1032-1037.

DOI: 10.5005/jp-journals-10015-2551

License: CC BY-NC 4.0

Published Online: 13-02-2025

Copyright Statement:  Copyright © 2024; The Author(s).


Abstract

Aim: The aim of this study was to compare and evaluate the development of cracks in the dentin of root canals by using different types of file systems for glide path preparation and instrumentation. Materials and methods: About 40 extracted maxillary premolar teeth were selected and randomly divided into four experimental groups, consisting of 10 in each group. Group I: TruNatomy files (26/0.04) without glide path, group II: glide path using the ProGlider (PG) single file (16/0.02) followed by TruNatomy files (26/0.04), group III: XP-endo Shaper (XPES) (30/0.04) without glide path, group IV: glide path using the PG single file (16/0.02) followed by XPES (30/0.04). The sections were individually observed under a stereomicroscope at 40× magnification for any crack, and photographs were taken. The presence of dentinal cracks was evaluated using a scoring system. The incidences of root dentinal defects among various groups were compared using a Chi-squared test. Results: Group II had the highest number of cracks, and the least were present in group IV. All four groups observed the highest microcracks for group I in the coronal section, group II and group IV in the middle section, and group III in the apical section. There was no statistically significant difference seen between the four groups (p > 0.05). Conclusion: Root canal preparation with two different single-file systems can induce dentinal microcracks in root canal walls, with no significant difference in the cracks induced between the groups with and without glide path preparation. Clinical significance: Single-file systems have been observed to lead to a higher occurrence of microcracks compared to full sequence systems to assist clinicians in choosing a single-file system that minimizes the risk of crack formation.

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  1. Peters OA. Current challenges and concepts in the preparation of root canal systems: a review. J Endod 2004;30:559–567. DOI: 10.1097/01.don.0000129039.59003.9d
  2. Young GR, Parashos P, Messer HH. The principles of techniques for cleaning root canals. Aust Dent J 2007;52:S52–S63. DOI: 10.1111/j.1834-7819.2007.tb00526.x
  3. Tawil PZ, Arnarsdottir EK, Coelho MS. Root-originating dentinal defects: methodological aspects and clinical relevance. Evid-based Endod 2017;2(1). DOI: 10.1186/s41121-017-0014-1
  4. Versiani MA, Souza E, De-Deus G. Critical appraisal of studies on dentinal radicular microcracks in endodontics: methodological issues, contemporary concepts, and future perspectives. Endod Topics 2015;33(1):87–156. DOI: 10.1111/etp.12091
  5. Haapasalo M, Shen Y. Evolution of nickel–titanium instruments: from past to future. Endod Topics 2013;29(1):3–17. DOI: 10.1111/etp.12049
  6. Amitha M, Adarsha MS, Meena N, et al. Comparative assessment of formation of dentin microcracks after root canal preparation using hand, rotary, and reciprocating instrumentation—an in vitro study. Int J Oral Care Res 2018;6(2):19–23.
  7. Krishna V, Kumar CS, Madhusudhana K, et al. Evaluation of dentinal damage after root canal preparation with Protaper Universal, Twisted files and Mtwo rotary systems—an in vitro study. Int J Med Appl Sci 2014;3(4):146–151.
  8. Yoldas O, Yilmaz S, Atakan G, et al. Dentinal microcrack formation during root canal preparations by different NiTi rotary instruments and the self-adjusting file. J Endod 2012;38(2):232–235. DOI: 10.1016/j.joen.2011.10.011
  9. Touré B, Faye B, Kane AW, et al. Analysis of reasons for extraction of endodontically treated teeth: a prospective study. J Endod 2011;37:1512–1515. DOI: 10.1016/j.joen.2011.07.002
  10. Liu R, Kaiwar A, Shemesh H, et al. Incidence of apical root cracks and apical dentinal detachments after canal preparation with hand and rotary files at different instrumentation lengths. J Endod 2013;39:129–132. DOI: 10.1016/j.joen.2012.09.019
  11. Dioguardi M, Laneve E, Di Cosola M, et al. The effects of sterilization procedures on the cutting efficiency of endodontic instruments: a systematic review and network meta-analysis. Materials 2021;14(6):1559. DOI: 10.3390/ma14061559
  12. Bier CAS, Shemesh H, Tanomaru-Filho M, et al. The ability of different nickel–titanium rotary instruments to induce dentinal damage during canal preparation. J Endod 2009;35(2):236–238. DOI: 10.1016/j.joen.2008.10.021
  13. Garg E, Sarfi S, Bali D, et al. Comparative evaluation of dentinal defects induced by hand files, hyflex, protaper next and one shape during canal preparation: a stereomicroscopic study. J Int Clin Dent Res Org 2017;9:16–21. DOI: 10.4103/2231-0754.201735
  14. West J. Manual versus mechanical endodontic glidepath. Dent Today 2011;30:136.
  15. Berutti E, Cantatore G, Castelucci A, et al. Use of nickel–titanium rotary PathFile to create the glide path: comparison with manual preflaring in simulated root canals. J Endod 2009;35(3):408–412. DOI: 10.1016/j.joen.2008.11.021
  16. Topçuoğlu HS, Dṳzgṳn S, Akpek F, et al. Influence of a glide path on apical extrusion of debris during canal preparation using single-file systems in curved canals. Int Endod J 2016;49(6):599–603. DOI: 10.1111/iej.12484
  17. Berutti E, Negro AR, Lendini M, et al. Influence of manual preflaring and torque on the failure rate of ProTaper rotary instruments. J Endod 2004;30:228–230. DOI: 10.1097/00004770-200404000-00011
  18. Varela-Patiño P, Martin-Biedma B, Rodriguez Liebana C, et al. The influence of a manual glide path on the separation rate of NiTi rotary instruments. J Endod 2005;31:114–116. DOI: 10.1097/01.don.0000136209.28647.13
  19. Burklein S, Tsotsis P, Schäfer E. Incidence of dentinal defects after root canal preparation: reciprocating versus rotary instrumentation. J Endod 2013;39:501–504. DOI: 10.1016/j.joen.2012.11.045
  20. Kansal R, Rajput A, Talwar S, et al. Assessment of dentinal damage during canal preparation using reciprocating and rotary files. J Endod 2014;40(9):1443–1446. DOI: 10.1016/j.joen.2014.02.015
  21. Khoshbin E, Donyavi Z, Atibeh EA, et al. The effect of canal preparation with four different rotary systems on formation of dentinal cracks: an in vitro evaluation. Iran Endod J 2018;13(2):163–168. DOI: 10.22037/iej.v13i2.16416
  22. Tsenova I, Vassileva R, Karova E. The ability of two nickel-titanium rotary systems made of different alloys to induce dentinal radicular microcracks. J IMAB 2019;25(4):2788–2792. DOI: 10.5272/jimab.2019254.2788
  23. Liu R, Hou BX, Wesselink PR, et al. The incidence of root microcracks caused by 3 different single-file systems versus the ProTaper system. J Endod 2013;39(8):1054–1056. DOI: 10.1016/j.joen.2013.04.013
  24. Jaju KK, S DPA, Solete P. Comparative evaluation of dentin crack formation after root canal preparation using 3 different rotary files—in vitro study. Int J Dent Oral Sci 2021;8(6):3209–3213. DOI: 10.19070/2377-8075-21000654
  25. Van der Vyver PJ, Vorster M, Peters OA. Minimally invasive endodontics using a new single-file rotary system. Int Dent Afr Ed 2019;9:6–20.
  26. Shemesh H, Bier CAS, Wu MK, et al. The effects of canal preparation and filling on the incidence of dentinal defects. Int Endod J 2009;42(3):208–213. DOI: 10.1111/j.1365-2591.2008.01502.x
  27. Çirakoglu Y, Neslihan N, Özbay Y. Evaluation of apical crack formation associated with root canal preparation with ProTaper Next, ProTaper Gold, and TruNatomy systems. Endodontology 2021;33:191–195. DOI: 10.4103/endo.endo_114_21
  28. Uslu G, Özyṳrek T, Yılmaz K, et al. Apically extruded debris during root canal instrumentation with Reciproc blue, Hyflex EDM, and XP- endo Shaper nickel–titanium files. J Endod 2018;44:856–859. DOI: 10.1016/j.joen.2018.01.018
  29. Soujanya E, Verma N, Kaushik M, et al. Effect of three different rotary file systems on dentinal crack formation—a stereomicroscopic analysis. Endodontology 2020;32(4):220–224. DOI: 10.4103/endo.endo_96_20
  30. Bayram HM, Bayram E, Ocak M, et al. Effect of ProTaper gold, self-adjusting file, and XP-endo shaper instruments on dentinal microcrack formation: a micro-computed tomographic study. J Endod 2017;43(7):1166–1169. DOI: 10.1016/j.joen.2017.02.005
  31. Aydin ZU, Keskin NB, Ozyurek T. Effect of Reciproc blue, XP-endo shaper, and WaveOne gold instruments on dentinal microcrack formation: a micro-computed tomographic evaluation. Microsc Res Tech 2019;82(6):856–860. DOI: 10.1002/jemt.23227
  32. Aksoy Ç, Keriş EY, Yaman SD, et al. Evaluation of XP-endo shaper, Reciproc blue, and ProTaper universal NiTi systems on dentinal microcrack formation using micro-computed tomography. J Endod 2019;45(3):338–342. DOI: 10.1016/j.joen.2018.12.005
  33. Johnson J, Abd-Elaah H, Elsewifey T, El Sayed W. Evaluation of dentin microcracks after root canal instrumentation using three thermally treated rotary nickel titanium files. J Int Dent Med Res 2022;15:511–515.
  34. Mohamed R, Majid S, Faiza A. Root Microcracks Formation during Root Canal Instrumentation Using Reciprocating and Rotary Files. J Contemp Dent Pract 2021;22(3):259–263. DOI: 10.5005/jp-journals-10024-3055
  35. Delvarani A, Moshary A, Ghasemian Yadegari M, et al. In-vitro comparison of the effect of XP-Endo Shaper and one-shape rotary files on the incidence of root dentin cracks. J Res Dent Maxillofac Sci 2020;5(4):31–36. DOI: 10.29252/jrdms.5.4.31
  36. Dane A, Capar ID, Arslan H, et al. Effect of different torque settings on crack formation in root dentin. J Endod 2016;42:304–306. DOI: 10.1016/j.joen.2015.10.024
  37. Bajaj D, Sundaram N, Nazari A, et al. Age, dehydration and fatigue crack growth in dentin. Biomaterials 2006;27(11):2507–2517. DOI: 10.1016/j.biomaterials.2005.11.035
  38. Shemesh H, Lindtner T, Portoles CA, et al. Dehydration induces cracking in root dentin irrespective of instrumentation: a two-dimensional and three-dimensional study. J Endod 2018;44(1):120–125. DOI: 10.1016/j.joen.2017.07.025
  39. Cobankara FK, Ungor M, Belli S. The effect of two different root canal sealers and smear layer on resistance to root fracture. J Endod 2002;28(8):606–609. DOI: 10.1097/00004770-200208000-00011
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