Comparative effects of different phenothiazine photosensitizers on experimental periodontitis treatment

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Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.contributorLiverpool John Moores University-
Autor(es): dc.contributorLatin American Institute of Dental Research and Education (ILAPEO)-
Autor(es): dc.creatorTheodoro, Letícia Helena [UNESP]-
Autor(es): dc.creatorda Rocha, Tiago Esgalha [UNESP]-
Autor(es): dc.creatorWainwright, Mark-
Autor(es): dc.creatorNuernberg, Marta Aparecida Alberton [UNESP]-
Autor(es): dc.creatorErvolino, Edilson [UNESP]-
Autor(es): dc.creatorSouza, Eduardo Quintão Manhanini [UNESP]-
Autor(es): dc.creatorBrandini, Daniela Atili [UNESP]-
Autor(es): dc.creatorGarcia, Valdir Gouveia [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:53:28Z-
Data de disponibilização: dc.date.available2022-02-22T00:53:28Z-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.pdpdt.2021.102198-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/208460-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/208460-
Descrição: dc.descriptionAim: The aim of the present study was to compare the effects of the phenothiazine photosensitizers methylene blue (MB), toluidine blue-O (TBO) and butyl toluidine blue (BuTB) in antimicrobial photodynamic therapy (aPDT), as adjuvant therapy to scaling and root planing (SRP) in the treatment of experimental periodontitis (EP) in rats. Material and methods: 120 Wistar rats underwent ligation around the lower left molar. After seven days, the ligature was removed. The animals were separated into the following groups (n = 15): EP, no treatment; SRP, SRP and irrigation with saline solution; MB, SRP and deposition of MB; TBO, SRP and deposition of TBO; BuTB, SRP and deposition of BuTB; MB-aPDT, SRP and aPDT with MB; TBO-aPDT, SRP and aPDT with TBO and; BuTB-aPDT, SRP and aPDT with BuTB. The aPDT session was performed after SRP, with deposition of the photosensitizer and irradiation with a diode laser (DL; InGaAlP, 660 nm, 40 mW, 60 s, 2.4 J). Histological and histometric analysis was performed. Results: BuTB-aPDT group had a lesser extent of the inflammatory process compared to the EP, SRP, MB and TBO at all experimental periods (p < 0.05). At 15 days, the aPDT treated groups had a greater bone tissue structure than groups EP and SRP (p < 0.05) The BuTB showed lower Alveolar Bone Loss (ABL) compared to the TBO-aPDT group at 30 days (p < 0.05). Conclusion: aPDT using the photosensitizer BuTB proved to be the adjuvant therapy that most favored the reduction of inflammatory infiltrate in the furcation area and ABL.-
Descrição: dc.descriptionDepartment of Diagnostic and Surgery School of Dentistry São Paulo State University (UNESP)-
Descrição: dc.descriptionSchool of Pharmacy and Biomolecular Sciences Liverpool John Moores University-
Descrição: dc.descriptionDepartment of Basic Sciences School of Dentistry São Paulo State University (UNESP)-
Descrição: dc.descriptionLatin American Institute of Dental Research and Education (ILAPEO)-
Descrição: dc.descriptionDepartment of Diagnostic and Surgery School of Dentistry São Paulo State University (UNESP)-
Descrição: dc.descriptionDepartment of Basic Sciences School of Dentistry São Paulo State University (UNESP)-
Idioma: dc.languageen-
Relação: dc.relationPhotodiagnosis and Photodynamic Therapy-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectPeriodontitis-
Palavras-chave: dc.subjectPhotodynamic therapy-
Palavras-chave: dc.subjectPhotosensitizers-
Título: dc.titleComparative effects of different phenothiazine photosensitizers on experimental periodontitis treatment-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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