Effect of sodium hypochlorite and calcium hydroxide on fracture resistance of root dentin

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dc.contributor.authorPadoin, Karine
dc.contributor.authorMello, Juliana Heckler
dc.contributor.authorde Carlo Bello, Mariana
dc.contributor.authorMichelon, Carina
dc.contributor.authorMorgental, Renata Dornelles [UNESP]
dc.contributor.authorBier, Carlos Alexandre Souza
dc.contributor.institutionUniversidade Federal de Santa Maria
dc.contributor.institutionPontifícia Universidade Católica do Rio Grande do Sul
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.date.accessioned2022-04-28T19:48:14Z
dc.date.available2022-04-28T19:48:14Z
dc.date.issued2019-01-01
dc.description.abstractObjective: The aim of this study was to assess the influ-ence of different concentrations of sodium hypochlorite (NaOCl) solution and of calcium hydroxide [Ca(OH)2] paste on the strength of root dentin during endodontic treatment. Methods: Eighty roots of bovine mandibu-lar incisors were randomly assigned to eight groups: C-Control (no intervention); PS-Physiological saline; 1% NaOCl; 5% NaOCl; PS/EDTA; PS/EDTA/Ca(OH)2; 1% NaOCl/EDTA/Ca(OH)2; and 5% NaOCl/EDTA/Ca(OH)2. All groups were prepared with hand K files us-ing the crown-down technique, except for the control group. The irrigating solution in each group was kept in the canal for 2 h, being replaced every 15 min. EDTA was applied for 3 min in the corresponding groups. Ca(OH)2 was kept in the root canals for 30 days. The specimens were subjected to compressive strength testing until fracture in an EMIC universal testing machine. The data were subjected to analysis of variance. The significance level was set as alpha = 0.05. Results: No statistically significant difference was found across the experimental groups (P>0.05). Conclusions: The use of NaOCl for 2h and Ca(OH)2 for 30days did not influence the strength of root dentin.en
dc.description.affiliationUniversidade Federal de Santa Maria Departamento de Estomatologia
dc.description.affiliationDental Sciences Endodontics area Universidade Federal de Santa Maria
dc.description.affiliationEndodontics area Pontifícia Universidade Católica do Rio Grande do Sul
dc.description.affiliationEndodontics area Universidade Estadual Paulista
dc.description.affiliationUnespEndodontics area Universidade Estadual Paulista
dc.format.extent31-36
dc.identifierhttp://dx.doi.org/10.14436/2358-2545.9.1.031-036.oar
dc.identifier.citationDental Press Endodontics, v. 9, n. 1, p. 31-36, 2019.
dc.identifier.doi10.14436/2358-2545.9.1.031-036.oar
dc.identifier.issn2178-3713
dc.identifier.scopus2-s2.0-85120992817
dc.identifier.urihttp://hdl.handle.net/11449/223026
dc.language.isoeng
dc.relation.ispartofDental Press Endodontics
dc.sourceScopus
dc.subjectCalcium hydroxide
dc.subjectEndodontics
dc.subjectRoot canal irrigants
dc.subjectSodium hypochlorite
dc.titleEffect of sodium hypochlorite and calcium hydroxide on fracture resistance of root dentinen
dc.typeArtigo

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