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Effects of conventional and herbal irrigants on microhardness and flexural strength of root canal dentin: An in vitro study

AIM: The aim of this in vitro study was to compare the effects of herbal irrigants with conventional irrigants on microhardness and flexural strength of root dentin. MATERIALS AND METHODS: Sixty extracted permanent maxillary canines were selected. Decoronated roots were sectioned longitudinally into...

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Autores principales: Philip, Princy Maria, Sindhu, J., Poornima, M., Naveen, D. N., Nirupama, D. N., Nainan, Mohan Thomas
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Wolters Kluwer - Medknow 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8378487/
https://www.ncbi.nlm.nih.gov/pubmed/34475686
http://dx.doi.org/10.4103/JCD.JCD_426_20
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author Philip, Princy Maria
Sindhu, J.
Poornima, M.
Naveen, D. N.
Nirupama, D. N.
Nainan, Mohan Thomas
author_facet Philip, Princy Maria
Sindhu, J.
Poornima, M.
Naveen, D. N.
Nirupama, D. N.
Nainan, Mohan Thomas
author_sort Philip, Princy Maria
collection PubMed
description AIM: The aim of this in vitro study was to compare the effects of herbal irrigants with conventional irrigants on microhardness and flexural strength of root dentin. MATERIALS AND METHODS: Sixty extracted permanent maxillary canines were selected. Decoronated roots were sectioned longitudinally into buccal and lingual segments to get 120 specimens. These were embedded in auto polymerizing acrylic resin and further grounded with fine emery papers under distilled water. Of these, 100 root segments without any defects were selected, further divided into four test groups and a control group according to the irrigants used (n = 20). Group 1: 2.5% Sodium hypochlorite, Group 2: Miswak stick extract, Group 3: Cashew leaves extract. Group 4: Mango leaves extract and Group 5: Normal saline (control). All specimens were treated with 5 ml of each irrigant for 10 minutes and rinsed immediately. Dentin microhardness was measured with a Vickers indenter, and the flexural strength test was done using a universal testing machine. The data were analyzed using one-way ANOVA and the intergroup comparison by student t-test. RESULTS: The experimental groups showed a significant reduction in microhardness values when compared with the control group. Intragroup comparison among experimental groups, herbal irrigants showed the least reduction in microhardness values at cervical, middle, and apical thirds. When compared to the control group, the flexural strength values decreased significantly with experimental groups. CONCLUSION: Within the limitation of this study, it was concluded that herbal irrigants were least detrimental to root dentin microhardness when compared with conventional irrigant. But the flexural strength was equally reduced by both conventional and herbal irrigants.
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spelling pubmed-83784872021-09-01 Effects of conventional and herbal irrigants on microhardness and flexural strength of root canal dentin: An in vitro study Philip, Princy Maria Sindhu, J. Poornima, M. Naveen, D. N. Nirupama, D. N. Nainan, Mohan Thomas J Conserv Dent Original Article AIM: The aim of this in vitro study was to compare the effects of herbal irrigants with conventional irrigants on microhardness and flexural strength of root dentin. MATERIALS AND METHODS: Sixty extracted permanent maxillary canines were selected. Decoronated roots were sectioned longitudinally into buccal and lingual segments to get 120 specimens. These were embedded in auto polymerizing acrylic resin and further grounded with fine emery papers under distilled water. Of these, 100 root segments without any defects were selected, further divided into four test groups and a control group according to the irrigants used (n = 20). Group 1: 2.5% Sodium hypochlorite, Group 2: Miswak stick extract, Group 3: Cashew leaves extract. Group 4: Mango leaves extract and Group 5: Normal saline (control). All specimens were treated with 5 ml of each irrigant for 10 minutes and rinsed immediately. Dentin microhardness was measured with a Vickers indenter, and the flexural strength test was done using a universal testing machine. The data were analyzed using one-way ANOVA and the intergroup comparison by student t-test. RESULTS: The experimental groups showed a significant reduction in microhardness values when compared with the control group. Intragroup comparison among experimental groups, herbal irrigants showed the least reduction in microhardness values at cervical, middle, and apical thirds. When compared to the control group, the flexural strength values decreased significantly with experimental groups. CONCLUSION: Within the limitation of this study, it was concluded that herbal irrigants were least detrimental to root dentin microhardness when compared with conventional irrigant. But the flexural strength was equally reduced by both conventional and herbal irrigants. Wolters Kluwer - Medknow 2021 2021-07-05 /pmc/articles/PMC8378487/ /pubmed/34475686 http://dx.doi.org/10.4103/JCD.JCD_426_20 Text en Copyright: © 2021 Journal of Conservative Dentistry https://creativecommons.org/licenses/by-nc-sa/4.0/This is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as appropriate credit is given and the new creations are licensed under the identical terms.
spellingShingle Original Article
Philip, Princy Maria
Sindhu, J.
Poornima, M.
Naveen, D. N.
Nirupama, D. N.
Nainan, Mohan Thomas
Effects of conventional and herbal irrigants on microhardness and flexural strength of root canal dentin: An in vitro study
title Effects of conventional and herbal irrigants on microhardness and flexural strength of root canal dentin: An in vitro study
title_full Effects of conventional and herbal irrigants on microhardness and flexural strength of root canal dentin: An in vitro study
title_fullStr Effects of conventional and herbal irrigants on microhardness and flexural strength of root canal dentin: An in vitro study
title_full_unstemmed Effects of conventional and herbal irrigants on microhardness and flexural strength of root canal dentin: An in vitro study
title_short Effects of conventional and herbal irrigants on microhardness and flexural strength of root canal dentin: An in vitro study
title_sort effects of conventional and herbal irrigants on microhardness and flexural strength of root canal dentin: an in vitro study
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8378487/
https://www.ncbi.nlm.nih.gov/pubmed/34475686
http://dx.doi.org/10.4103/JCD.JCD_426_20
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