Effect of cleaning materials on microtensile bond strength of resin composite to primary dentin contaminated with root canal sealers

Abstract Background There have been no studies on the bond strength of adhesives with dentin surfaces contaminated with root canal sealers in primary teeth without underlying permanent teeth germs. This study investigated the cleaning materials used for primary tooth dentin contaminated with root ca...

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Main Author: Asu Çakir
Format: Article
Language:English
Published: BMC 2023-06-01
Series:BMC Oral Health
Subjects:
Online Access:https://doi.org/10.1186/s12903-023-03090-z
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author Asu Çakir
author_facet Asu Çakir
author_sort Asu Çakir
collection DOAJ
description Abstract Background There have been no studies on the bond strength of adhesives with dentin surfaces contaminated with root canal sealers in primary teeth without underlying permanent teeth germs. This study investigated the cleaning materials used for primary tooth dentin contaminated with root canal sealers. The aim was to increase the success rate of root canal treatment in pedodontics clinics and retain the teeth for longer. Methods The occlusal enamel layer was removed, followed by the application of root canal sealers (AH Plus or MTA Fillapex) to the dentin and cleaning using different irrigation solutions (saline, NaOCl, and ethanol). The specimens were restored using a self-etch adhesive and composite. Sticks with a thickness of approximately 1 mm were obtained from each sample, and the bond strengths were measured using a microtensile testing device. The interfacial morphology of the bonded space was evaluated using scanning electron microscopy. Results The control and AH Plus saline groups had the highest bond strengths. The groups cleaned using ethanol had the lowest bond strengths (p < 0.01). Conclusion Cleaning the dentin with saline-soaked cotton pellets provided the best bond strengths. Therefore, saline is the most effective material for removing both epoxy resin- and calcium silicate-based root canal sealers from the access cavity.
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spelling doaj.art-be08c3b5341044d299191937c6a05acc2023-06-18T11:26:32ZengBMCBMC Oral Health1472-68312023-06-012311710.1186/s12903-023-03090-zEffect of cleaning materials on microtensile bond strength of resin composite to primary dentin contaminated with root canal sealersAsu Çakir0Department of Pediatric Dentistry, Ahmet Keleşoğlu Faculty of Dentistry, Karamanoğlu Mehmetbey UniversityAbstract Background There have been no studies on the bond strength of adhesives with dentin surfaces contaminated with root canal sealers in primary teeth without underlying permanent teeth germs. This study investigated the cleaning materials used for primary tooth dentin contaminated with root canal sealers. The aim was to increase the success rate of root canal treatment in pedodontics clinics and retain the teeth for longer. Methods The occlusal enamel layer was removed, followed by the application of root canal sealers (AH Plus or MTA Fillapex) to the dentin and cleaning using different irrigation solutions (saline, NaOCl, and ethanol). The specimens were restored using a self-etch adhesive and composite. Sticks with a thickness of approximately 1 mm were obtained from each sample, and the bond strengths were measured using a microtensile testing device. The interfacial morphology of the bonded space was evaluated using scanning electron microscopy. Results The control and AH Plus saline groups had the highest bond strengths. The groups cleaned using ethanol had the lowest bond strengths (p < 0.01). Conclusion Cleaning the dentin with saline-soaked cotton pellets provided the best bond strengths. Therefore, saline is the most effective material for removing both epoxy resin- and calcium silicate-based root canal sealers from the access cavity.https://doi.org/10.1186/s12903-023-03090-zBond strengthContaminated dentinPrimary teethRoot canal filling material
spellingShingle Asu Çakir
Effect of cleaning materials on microtensile bond strength of resin composite to primary dentin contaminated with root canal sealers
BMC Oral Health
Bond strength
Contaminated dentin
Primary teeth
Root canal filling material
title Effect of cleaning materials on microtensile bond strength of resin composite to primary dentin contaminated with root canal sealers
title_full Effect of cleaning materials on microtensile bond strength of resin composite to primary dentin contaminated with root canal sealers
title_fullStr Effect of cleaning materials on microtensile bond strength of resin composite to primary dentin contaminated with root canal sealers
title_full_unstemmed Effect of cleaning materials on microtensile bond strength of resin composite to primary dentin contaminated with root canal sealers
title_short Effect of cleaning materials on microtensile bond strength of resin composite to primary dentin contaminated with root canal sealers
title_sort effect of cleaning materials on microtensile bond strength of resin composite to primary dentin contaminated with root canal sealers
topic Bond strength
Contaminated dentin
Primary teeth
Root canal filling material
url https://doi.org/10.1186/s12903-023-03090-z
work_keys_str_mv AT asucakir effectofcleaningmaterialsonmicrotensilebondstrengthofresincompositetoprimarydentincontaminatedwithrootcanalsealers