Final irrigation protocols affect radicular dentin DMP1-CT expression, microhardness, and biochemical composition

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Autor(es): dc.contributorSJO-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorRetana-Lobo, Cristina-
Autor(es): dc.creatorRamírez-Mora, Tatiana-
Autor(es): dc.creatorMurillo-Gómez, Fabian-
Autor(es): dc.creatorGuerreiro-Tanomaru, Juliane Maria-
Autor(es): dc.creatorTanomaru-Filho, Mario-
Autor(es): dc.creatorReyes-Carmona, Jessie-
Data de aceite: dc.date.accessioned2025-08-21T15:30:24Z-
Data de disponibilização: dc.date.available2025-08-21T15:30:24Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2022-08-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s00784-022-04516-8-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/239975-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/239975-
Descrição: dc.descriptionObjective: To evaluate the effect of several final irrigation protocols on radicular dentin microhardness, biochemical composition, and DMP1-CT expression. Materials and methods: A total of 140 single-rooted human teeth were prepared with WaveOne Gold files and randomly distributed into 7 groups (n = 20) according to the final irrigation protocol: distilled water (DW); sodium hypochlorite-EDTA (NaOCl-EDTA); EDTA (EDTA); EDTA-NaOCl (EDTA-NaOCl); EDTA-chlorhexidine (EDTA-CHX); passive ultrasonic irrigation (PUI:NaOCl-EDTA); and PUI:NaOCl-EDTA-NaOCl. Dentin microhardness (n = 10) was evaluated in the root canal lumen using Vickers hardness tester. Immunohistochemical analysis (n = 5) was used to evaluate DMP1-CT expression. Dentin ultrastructure and biochemical composition were evaluated by using Raman and energy dispersive X‐ray analysis (EDAX) (n = 5) with a scanning electron microscope (SEM). Analysis of variance (ANOVA) and Tukey test were performed (p˂0.05). Results: Raman spectra of the organic content and DMP1-CT expression were lower at the lumen canal in EDTA-NaOCl, PUI:NaOCl-EDTA, and PUI:NaOCl-EDTA-NaOCl when compared to control (p < 0.05). EDAX showed reduced values for calcium and phosphorus in EDTA-NaOCl, PUI:NaOCl-EDTA, and PUI:NaOCl-EDTA-NaOCl. SEM microphotography’s showed completely cleaned dentin, permeable tubules, and dentin erosion, mainly when PUI was used. NaOCl-EDTA presented significantly higher microhardness values than PUI:NaOCl-EDTA-NaOCl (p < 0.05). PUI:NaOCl-EDTA-NaOCl exhibited the lowest Vickers hardness values of all groups. Conclusion: The final irrigation protocols that used a final rinse with NaOCl and PUI showed a detrimental effect on radicular dentin DMP1-CT expression, biochemical composition, and microhardness. Clinical relevance: The adequate irrigation protocol could be advantageous to preserve the radicular dentin ultrastructure, promote adequate adhesion, and sustain favorable conditions for biomineralization and regeneration.-
Descrição: dc.descriptionVicerrectoría de Investigación, Universidad de Costa Rica-
Descrição: dc.descriptionDepartment of Endodontics Faculty of Dentistry LICIFO University of Costa Rica SJO, Sabanilla-
Descrição: dc.descriptionDental Materials Research Laboratory School of Dentistry University of Costa Rica SJO, Sabanilla-
Descrição: dc.descriptionDepartment of Restorative Dentistry School of Dentistry São Paulo State University (UNESP), SP-
Descrição: dc.descriptionDepartment of Restorative Dentistry School of Dentistry São Paulo State University (UNESP), SP-
Descrição: dc.descriptionVicerrectoría de Investigación, Universidad de Costa Rica: C1320-
Formato: dc.format5491-5501-
Idioma: dc.languageen-
Relação: dc.relationClinical Oral Investigations-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectDMP1-CT-
Palavras-chave: dc.subjectIrrigation protocols-
Palavras-chave: dc.subjectMicrohardness-
Palavras-chave: dc.subjectNon-collagenous proteins-
Título: dc.titleFinal irrigation protocols affect radicular dentin DMP1-CT expression, microhardness, and biochemical composition-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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