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VOLUME 22 , ISSUE 12 ( December, 2021 ) > List of Articles

ORIGINAL RESEARCH

Effect of Glide Path and Coronal Flaring on the Centering Ability and Transportation of Root Canals: Micro-CT In Vitro Study

Ola Alqahtani, Ammar AbuMostafa

Keywords : Centering ability, Coronal flaring, Glide path, Micro-CT, Transportation

Citation Information : Alqahtani O, AbuMostafa A. Effect of Glide Path and Coronal Flaring on the Centering Ability and Transportation of Root Canals: Micro-CT In Vitro Study. J Contemp Dent Pract 2021; 22 (12):1471-1476.

DOI: 10.5005/jp-journals-10024-3265

License: CC BY-NC 4.0

Published Online: 10-05-2022

Copyright Statement:  Copyright © 2021; The Author(s).


Abstract

Aim: To compare the effect of glide path and coronal flaring on the centering ability and transportation in curved canals prepared by different NiTi instruments using micro-CT. Materials and methods: The mesiobuccal canal of 48 extracted mandibular molars was selected and divided into two groups of 24 each according to the type of instrument used, either Race Evo or EdgeSequel. Each group was further divided into three subgroups: Group I: without glide path and coronal flaring (control); Group II: with glide path and without coronal flaring; Group III: with glide path and coronal flaring. Following access opening and working length determination, coronal flaring and glide path were done in the required groups. The canals were then prepared according to the assigned instruments and assessed using micro-CT at 3, 5, and 7 mm of the root canal. Data of pre- and postoperative measurements were statistically analyzed using SPSS. Results: The mean value of centering ability was 0.39 (SD 0.36) while the mean value of transportation ability was 0.002 (SD 0.153). Transportation and centering ability did not vary significantly among the tested groups of rotary instruments. Comparison of centering and transportation among root canal instrumentation groups at 3, 5, and 7 mm showed no statistical significance (p >0.05). Conclusion: No significant difference was found among the tested groups regarding transportation and centering ability. Clinical significance: This study provided data on the effect of glide path and coronal flaring on the centering ability and transportation on curved canals prepared by Race Evo and EdgeSequel. Coronal flaring and glide path did not affect the centering ability and transportation.


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  1. Nathani TI, Nathani AI, Pawar AM, et al. Canal transportation and centering ability in long oval canals: a multidimentional analysis. J Endod 2019;45(10):1242–1247. DOI: 10.1016/j.joen.2019.07.007.
  2. Siqueira JFJ, Lima KC, Magalhães FA, et al. Mechanical reduction of the bacterial population in the root canal by three instrumentation techniques. J Endod 1999;25(5):332–335. DOI: 10.1016/S0099-2399(06)81166-0.
  3. Bürklein S, Schäfer E. Critical evaluation of root canal transportation by instrumentation. Endod Top 2013;29(1):110–124. DOI: 10.1111/etp.12043.
  4. West J. The magic of mastering the glidepath: what every endodontist should know. In: American association of endodontists annual session. San Diego, California; 2010.
  5. Coelho MS, Fontana CE, Kato AS, et al. Effects of glide path on the centering ability and preparation time of two reciprocating instruments. Iran Endod J 2016;11(1):33–37. DOI: 10.7508/iej.2016.01.007.
  6. de Carvalho GM, Sponchiado Junior EC, Garrido ADB, et al. Apical transportation, centering ability, and cleaning effectiveness of reciprocating single-file system associated with different glide path techniques. J Endod 2015;41(12):2045–2049. DOI: 10.1016/j.joen.2015.09.005.
  7. Hoppe CB, Böttcher DE, Justo AM, et al. Comparison of curved root canals preparation using reciprocating, continuous and an association of motions. Scanning 2016;38(5):462–468. DOI: 10.1002/sca.21297.
  8. Vorster M, van der Vyver PJ, Paleker F. Canal transportation and centering ability of waveone gold in combination with and without different glide path techniques. J Endod 2018;44(9):1430–1435. DOI: 10.1016/j.joen.2018.06.003.
  9. D'Amario M, Baldi M, Petricca R, et al. Evaluation of a new nickel-titanium system to create the glide path in root canal preparation of curved canals. J Endod 2013;39(12):1581–1584. DOI: 10.1016/j.joen.2013.06.037.
  10. Alves VDO, Bueno CEDS, Cunha RS, et al. Comparison among manual instruments and PathFile and Mtwo rotary instruments to create a glide path in the root canal preparation of curved canals. J Endod 2012;38(1):117–120. DOI: 10.1016/j.joen.2011.10.001.
  11. Roland DD, Andelin WE, Browning DF, et al. The effect of preflaring on the rates of separation for 0.04 taper nickel titanium rotary instruments. J Endod 2002;28(7):543–545. DOI: 10.1097/00004770-200207000-00015.
  12. Ehrhardt IC, Zuolo ML, Cunha RS, et al. Assessment of the separation incidence of mtwo files used with preflaring: prospective clinical study. J Endod 2012;38(8):1078–1081. DOI: 10.1016/j.joen.2012.05.001.
  13. de Albuquerque MS, Nascimento AS, Gialain IO, et al. Canal transportation, centering ability, and dentin removal after instrumentation: a micro-CT evaluation. J Contemp Dent Pract 2019;20(7):806–811. PMID: 31597800.
  14. Hammad M, Qualtrough A, Silikas N. Evaluation of root canal obturation: a three-dimensional in vitro study. J Endod 2009;35(4): 541–544. DOI: 10.1016/j.joen.2008.12.021.
  15. Sousa-Neto MD de, Silva-Sousa YC, Mazzi-Chaves JF, et al. Root canal preparation using micro-computed tomography analysis: a literature review. Braz Oral Res 2018;32(suppl 1):e66. DOI: 10.1590/1807-3107bor-2018.vol32.0066.
  16. Gambill JM, Alder M, del Rio CE. Comparison of nickel-titanium and stainless steel hand-file instrumentation using computed tomography. J Endod 1996;22(7):369–375. DOI: 10.1016/S0099-2399(96)80221-4.
  17. Pasqualini D, Bianchi CC, Paolino DS, et al. Computed micro-tomographic evaluation of glide path with nickel-titanium rotary PathFile in maxillary first molars curved canals. J Endod 2012;38(3):389–393. DOI: 10.1016/j.joen.2011.11.011.
  18. Elnaghy AM, Elsaka SE. Evaluation of root canal transportation, centering ratio, and remaining dentin thickness associated with ProTaper Next instruments with and without glide path. J Endod 2014;40(12):2053–2056. DOI: 10.1016/j.joen.2014.09.001.
  19. Guimarães LS, Gomes CC, Marceliano-Alves MF, et al. Preparation of oval-shaped canals with TRUShape and reciproc systems: a micro-computed tomography study using contralateral premolars. J Endod 2017;43(6):1018–1022. DOI: 10.1016/j.joen.2017.01.028.
  20. Paqué F, Peters OA. Micro-computed tomography evaluation of the preparation of long oval root canals in mandibular molars with the self-adjusting file. J Endod 2011;37(4):517–521. DOI: 10.1016/j.joen.2010.12.011.
  21. Saber SEDM, Nagy MM, Schäfer E. Comparative evaluation of the shaping ability of WaveOne, Reciproc and OneShape single-file systems in severely curved root canals of extracted teeth. Int Endod J 2015;48(1):109–114. DOI: 10.1111/iej.12289.
  22. Plotino G, Nagendrababu V, Bukiet F, et al. Influence of negotiation, glide path, and preflaring procedures on root canal shaping-terminology, basic concepts, and a systematic review. J Endod 2020;46(6):707–729. DOI: 10.1016/j.joen.2020.01.023.
  23. van der Vyver PJ, Paleker F, Vorster M, et al. Micro-computed tomographic evaluation of two single rotary glide path systems. Int Endod J 2019;52(3):352–358. DOI: 10.1111/iej.13003.
  24. Zheng L, Ji X, Li C, et al. Comparison of glide paths created with K-files, PathFiles, and the ProGlider file, and their effects on subsequent WaveOne preparation in curved canals. BMC Oral Health 2018;18(1):152. DOI: 10.1186/s12903-018- 0614-3.
  25. Gergi R, Arbab-Chirani R, Osta N, et al. Micro-computed tomographic evaluation of canal transportation instrumented by different kinematics rotary nickel-titanium instruments. J Endod 2014;40(8):1223–1227. DOI: 10.1016/j.joen.2014.01.039.
  26. Bürklein S, Poschmann T, Schäfer E. Shaping ability of different nickel-titanium systems in simulated S-shaped canals with and without glide path. J Endod 2014;40(8):1231–1234. DOI: 10.1016/j.joen.2014.01.043.
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