The Journal of Contemporary Dental Practice

Register      Login



Volume / Issue

Online First

Related articles

VOLUME 24 , ISSUE 9 ( September, 2023 ) > List of Articles


Effectiveness of Different Rotary Files Systems in Removal of Gutta-percha during Endodontic Retreatment with or without Solvents: A Comparative Study

Mirza Muzaamill Baig, Nisarga Kansar, Priya Patel, Achuthan Nair, Mohamed Samir Elnawawy

Keywords : Endodontic retreatment, Gutta-percha, Rotary files, Solvents

Citation Information : Baig MM, Kansar N, Patel P, Nair A, Elnawawy MS. Effectiveness of Different Rotary Files Systems in Removal of Gutta-percha during Endodontic Retreatment with or without Solvents: A Comparative Study. J Contemp Dent Pract 2023; 24 (9):688-691.

DOI: 10.5005/jp-journals-10024-3523

License: CC BY-NC 4.0

Published Online: 13-10-2023

Copyright Statement:  Copyright © 2023; The Author(s).


Aim: The purpose of the present study was to compare the efficacy of three different file systems in removing gutta-percha during endodontic retreatment with or without solvents. Materials and methods: The current study used 120 freshly extracted, single-rooted human mandibular premolars extracted for orthodontic procedures. The canal was prepared utilizing the step-back technique and obturation was done. The samples were allocated into three experimental groups at random, group I: Hedstrom Files, group II: D-RaCe rotary system, and group III: Mtwo retreatment files system. The three groups were again split into two subgroups of 20 samples each, i.e., with solvent and without solvent. Then, a stereomicroscope with a magnification of × 20 was used to examine the samples. The amount of GP and sealer left was measured in three sections: At apical third (1 mm above the apex), middle third (8 mm from the apex), and coronal third (2 mm below the cementoenamel junction). The obtained data were analyzed using parametric Analysis of Variance (ANOVA). p-values less than 0.05 were considered significant. Results: The overall least debris on the dentinal surface was found in the middle third with/without solvent. The D-RaCe rotary system was 1.24 ± 0.11 and 1.44 ± 0.14, Mtwo retreatment files system was 1.38 ± 0.17 and 1.72 ± 0.09 and Hedstrom files was 2.08 ± 0.21 and 2.18 ± 0.16 respectively and A significant difference was found between the three different file system groups (p < 0.001). Conclusion: The current study concluded that, when combined with a solvent, the D-RaCe rotary retreatment system is more effective than the Mtwo rotary retreatment system and Hedstrom Files in removing gutta-percha and sealant from root canal walls. Clinical significance: When it comes to treating chronic infections, non-surgical retreatment is a more cautious method than periapical surgery. Retreatment should be performed efficiently and with appropriate instruments to ensure effective treatment.

  1. Schirrmeister JF, Meyer KM, Hermanns P, et al. Effectiveness of hand and rotary instrumentation for removing a new synthetic polymer-based root canal obturation material (Epiphany) during retreatment. Int Endod J 2006;39(2):150–156. DOI: 10.1111/j.1365-2591.2006.01066.x.
  2. Tasdemir T, Yildirim T, Çelik D. Comparative study of removal of current endodontic fillings. J Endod 2008;34(3):326–329. DOI: 10.1016/j.joen.2007.12.022.
  3. Bramante CM, Fidelis NS, Assumo TS, et al. Heat release, time required, and cleaning ability of M Two R and ProTaper universal retreatment systems in the removal of filling material. J Endod 2010;36(11): 1870–1873. DOI: 10.1016/j.joen.2010.08.013.
  4. Somma F, Cammarota G, Plotino G, et al. The effectiveness of manual and mechanical instrumentation for the retreatment of three different root canal filling materials. J Endod 2008;34(4):466–469. DOI: 10.1016/j.joen.2008.02.008.
  5. Bhagavaldas MC, Diwan A, Kusumvalli S, et al. Efficacy of two rotary retreatment systems in removing gutta-percha and sealer during endodontic retreatment with or without solvent: A comparative in vitro study. J Conserv Dent 2017;20(1):12–16. DOI: 10.4103/0972-0707.209075.
  6. Ferreira JJ, Rhodes JS, Pitt Ford TR. The efficacy of gutta-percha removal using ProFiles. Int Endod J 2002;34(4):267–274. DOI: 10.1046/j.1365-2591.2001.00379.x.
  7. Marwa M, Roshdy N. Efficacy of passive ultrasonic irrigation in the removal of root canal filling material using R-Endo and D-Race retreatment systems. Endo Quint J 2018;12(2):101–108.
  8. Das S, De Ida A, Das S, et al. Comparative evaluation of three different rotary instrumentation systems for removal of gutta-percha from root canal during endodontic retreatment: An study. J Conserv Dent 2017;20(5):311–316. DOI: 10.4103/JCD.JCD_132_17.
  9. Rodrigues CT, Duarte MAH, de Almeida MM, et al. Efficacy of CM-Wire, M-Wire, and Nickel-Titanium instruments for removing filling material from curved root canals: A micro-computed tomography study. J Endod 2016;42(11):1651–1655. DOI: 10.1016/j.joen.2016.08.012.
  10. Preetam CS, Chandrashekhar M, Gunaranjan T, et al. A comparative evaluation of two rotary Ni-Ti instruments in the removal of gutta-percha during retreatment. J Int Soc Prev Community Dent 2016;6(Suppl 2):S131–S136. DOI: 10.4103/2231-0762.189740.
  11. Rödig T, Hausdörfer T, Konietschke F, et al. Efficacy of D-RaCe and ProTaper universal retreatment NiTi instruments and hand files in removing gutta-percha from curved root canals – A micro-computed tomography study. Int Endod J 2012;45(6):580–589. DOI: 10.1111/j.1365-2591.2012.02014.x.
  12. Bodrumlu E, Uzun O, Topuz O, et al. Efficacy of 3 techniques in removing root canal filling material. J Can Dent Assoc 2008;74(8):721. PMID: 18845062.
  13. Jayasenthil A, Sathish ES, Prakash P. Evaluation of manual and two-rotary NiTi retreatment systems in removing gutta-percha obturated with two root canal sealers. ISRN Dent 2012;2012:208241. DOI: 10.5402/2012/208241.
  14. Hulsmann M, Stotz S. Efficacy, cleaning ability and safety of different devices for GP removal in root canal retreatment. Int Endod J 1997;30(4):227–233. DOI: 10.1046/j.1365-2591.1997.00036.x.
  15. Betti LV, Branante CM. Quantec SC rotary instruments versus hand files for GP removal in root canal retreatment. Int Endod J 2001;34(7): 514–519. DOI: 10.1046/j.1365-2591.2001.00424.x.
PDF Share
PDF Share

© Jaypee Brothers Medical Publishers (P) LTD.