Micro-CT Evaluation of the Remaining Endosequence BC Filling Materials and Dentinal Microcracks after Retreatment with D-Race and R-Endo Systems
Year 2024,
, 463 - 468, 28.06.2024
Şenay Gül Zincir
,
Selin Göker Kamalı
,
Dilek Türkaydın
,
Ali Keleş
Abstract
Objective: To analyze the remaining EndoSequence BC filling materials and microcrack using micro-computed tomography after retreatment with D-Race and R-Endo systems.
Methods: The canals of thirty mandibular single-rooted and single-canal premolar teeth were shaped and obturated with EndoSequence BC point and EndoSequence BC sealer. The samples were assigned into two groups and scanned with micro-computed tomography. Then, the canal filling materials were removed with D-Race and R-Endo systems. After all roots were re-scanned, all images were evaluated for the remaining EndoSequence BC filling materials and microcrack. Also, retreatment time was recorded.
Results: The remaining filling material in the R-Endo group was greater than the D-Race group. Both systems caused new cracks formation. However, no significant difference was noticed among them. The D-Race group needed significantly less time in comparison to the R-Endo group.
Conclusion: D-Race system was faster and more efficient compared with R-Endo system. D-Race and R-Endo files caused new cracks on the canal walls.
Ethical Statement
This study was approved by Ethics Committee of Marmara University Faculty of Dentistry (21.02.2019 and 2019-265).
Supporting Institution
Marmara University
Project Number
SAG-C-DUP-170419-0145, Marmara University Scientific Research Committee
References
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- Kırıcı D, Demirbuga S, Karataş E. Micro–computed tomographic assessment of the residual filling volume, apical transportation, and crack formation after retreatment with Reciproc and Reciproc Blue Systems in curved root canals. J Endod. 2020;46(2):238-243. DOI:10.1016/j.joen.2019.11.003.
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Year 2024,
, 463 - 468, 28.06.2024
Şenay Gül Zincir
,
Selin Göker Kamalı
,
Dilek Türkaydın
,
Ali Keleş
Project Number
SAG-C-DUP-170419-0145, Marmara University Scientific Research Committee
References
- Stabholz A, Friedman S. Endodontic retreatment—case selection and technique. Part 2: Treatment planning for retreatment. J Endod. 1988;14:607-614. DOI:10.1016/S0099-2399(88)80058-X.
- Mollo A, Botti G, Prinicipi Goldoni N, Randellini E, Paragliola R, Chazine M, Ounsi HF, Grandini S. Efficacy of two Ni-Ti systems and hand files for removing gutta-percha from root canals. Int Endod J. 2012;45:1-6. DOI:10.1111/j.1365-2591.2011.01932.x.
- Rodig T, Hausdorfer T, Konietschke F, Dullin C, Hahn W, Hülsmann M. 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;45:580-589. DOI:10.1111/j.1365-2591.2012.02014.x.
- Fenoul G, Meless GD, Perez F. The efficacy of R-Endo rotary NiTi and stainless-steel hand instruments to remove gutta-percha and Resilon. Int Endod J. 2010;43:135-141. DOI:10.1111/j.1365-2591.2009.01653.x
- Sathorn C, Palamara JE, Messer HH. A comparison of the effects of two canal preparation techniques on root fracture susceptibility and fracture pattern. J Endod. 2005;31:283-287. DOI:10.1097/01.don.0000140580.03121.61.
- Shemesh H, Wesselink PR, Wu MK. Incidence of dentinal defects after root canal filling procedures. Int Endod J. 2010;43:995–1000. DOI:10.1111/j.1365-2591.2010.01740.x.
- Shemesh H, Roeleveld AC, Wesselink PR, Wu MK. Damage to root dentin during retreatment procedures. J Endod. 2011;37:63-66. DOI:10.1016/j.joen.2010.10.002.
- Wilcox LR, Roskelley C, Sutton T. The relationship of root canal enlargement to finger-spreader induced vertical root fracture. J Endod. 1997;23:533-534. DOI:10.1016/S0099-2399(97)80316-0.
- Azim AA, Wang HH, Tarrosh M, Azim KA, Piasecki L. Comparison between single-file rotary systems: part 1—Efficiency, effectiveness, and adverse effects in endodontic retreatment. J Endod. 2018;44:1720-1724. DOI:10.1016/j.joen.2018.07.022.
- Çapar ID, Gök T, Uysal B, Keleş A. Comparison of microcomputed tomography, cone beam tomography, stereomicroscopy, and scanning electron microscopy techniques for detection of microcracks on root dentin and effect of different apical sizes on microcrack formation. Microsc Res Techniq. 2019;82:1748-1755. DOI:10.1002/jemt.23341.
- Topçuoğlu HS, Demirbuga S, Tuncay Ö, Pala K, Arslan H, Karataş E. The effects of Mtwo, R-Endo, and D-RaCe retreatment instruments on the incidence of dentinal defects during the removal of root canal filling material. J Endod. 2014;40:266-270. DOI:10.1016/j.joen.2013.07.024.
- Kırıcı D, Demirbuga S, Karataş E. Micro–computed tomographic assessment of the residual filling volume, apical transportation, and crack formation after retreatment with Reciproc and Reciproc Blue Systems in curved root canals. J Endod. 2020;46(2):238-243. DOI:10.1016/j.joen.2019.11.003.
- Roggendorf MJ, Legner M, Ebert J, Fillery E, Frankenberger R, Friedman S. Micro-CT evaluation of residual material in canals filled with Activ GP or GuttaFlow following removal with NiTi instruments. Int Endod J. 2010;43:200-209. DOI:10.1111/j.1365-2591.2009.01659.x.
- Ersev H, Yılmaz B, Dinçol ME, Dağlaroğlu R. The efficacy of ProTaper Universal rotary retreatment instrumentation to remove single gutta‐percha cones cemented with several endodontic sealers. Int Endod J. 2012;45:756-762. DOI:10.1111/j.1365-2591.2012.02032.x.
- Bedier MM, Roshdy NN. Efficiency of passive ultrasonic irrigation in removal of root canal filling material using R-Endo and D-RaCe retreatment systems. Endod Prac T. 2018;12(2):101-108.
- Gergi R, Sabbagh C. Effectiveness of two nickel‐titanium rotary instruments and a hand file for removing gutta‐percha in severely curved root canals during retreatment: An ex vivo study. Int Endod J. 2007;40:532-537. DOI:10.1111/j.1365-2591.2007.01254.x.
- Çelik Ünal G, Üreyen Kaya B, Taç AG, Keçeci AD. A comparison of the efficacy of conventional and new retreatment instruments to remove gutta-percha in curved root canals: An ex vivo study. Int Endod J. 2009;42:344-350. DOI:10.1111/j.1365-2591.2008.01518.x.
- de Carvalho Maciel AC, Zaccaro Scelza MF. Efficacy of automated versus hand instrumentation during root canal retreatment: An ex vivo study. Int Endod J. 2006;39:779-784. DOI:10.1111/j.1365-2591.2006.01148.x.
- Kfir A, Tsesis I, Yakirevich E, Matalon S, Abramovitz I. The efficacy of five techniques for removing root filling material: Microscopic versus radiographic evaluation. Int Endod J. 2012;45:35-41. DOI:10.1111/j.1365-2591.2011.01944.x.
- Barletta FB, Rahde NM, Limongi O, Moura AA, Zanesco C, Mazocatto G. In vitro comparative analysis of 2 mechanical techniques for removing gutta-percha during retreatment. J Can Dent Assoc. 2007;73:65.
- Shemesh H, Bier CA, Wu MK, Tanomaru‐Filho M, Wesselink PR. The effects of canal preparation and filling on the incidence of dentinal defects. Int Endod J. 2009;42:208-213. DOI:10.1111/j.1365-2591.2008.01502.x.
- Bier CA, Shemesh H, Tanomaru-Filho M, Wesselink PR, Wu MK. The ability of different nickel-titanium rotary instruments to induce dentinal damage during canal preparation. J Endod. 2009;35:236-238. DOI:10.1016/j.joen.2008.10.021.
- Koçak MM, Çirakoğlu NY, Koçak S, Sağlam BC, Çiçek E, Türker SA, Bodrumlu E. Effect of retreatment instruments on microcrack formation: A microcomputed tomography study. Int J Artif Organs. 2017;40:123-127. DOI:10.5301/ijao.5000578.
- Madhuri GV, Varri S, Bolla N, Mandava P, Akkala LS, Shaik J. Comparison of bond strength of different endodontic sealers to root dentin: An in vitro push-out test. J Conserv Dent. 2016;19:461-464. DOI:10.4103/0972-0707.190012.
- Almeida A, Romeiro K, Cassimiro M, Gominho L, Dantas E, Silva S, Albuquerque D. Micro-CT analysis of dentinal microcracks on root canals filled with a bioceramic sealer and retreated with reciprocating instruments. Sci Rep. 2020;10:1-6. DOI:10.1038/s41598-020-71989-6