Effectiveness and safety of three NiTi systems in endodontic retreatment of MB1 and MB2 root canals: a micro-CT and CBCT combined analysis

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversity of Leuven-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorCentro Universitário Presidente Antônio Carlos (UNIPAC)-
Autor(es): dc.contributorCentro Universitário Presidente Tancredo de Almeida Neves (UNIPTAN)-
Autor(es): dc.creatorSantos-Junior, Airton Oliveira-
Autor(es): dc.creatorFontenele, Rocharles Cavalcante-
Autor(es): dc.creatorTavares, Karina Ines Medina Carita-
Autor(es): dc.creatorTorres, Fernanda Ferrari Esteves-
Autor(es): dc.creatorPinto, Jáder Camilo-
Autor(es): dc.creatorRosim, Pedro Luis Busto-
Autor(es): dc.creatorGonçalves, Andréa-
Autor(es): dc.creatorDuarte, Marco Antonio Hungaro-
Autor(es): dc.creatorGuerreiro-Tanomaru, Juliane Maria-
Autor(es): dc.creatorTanomaru-Filho, Mário-
Data de aceite: dc.date.accessioned2025-08-21T15:27:28Z-
Data de disponibilização: dc.date.available2025-08-21T15:27:28Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2025-04-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s00784-025-06273-w-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/300242-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/300242-
Descrição: dc.descriptionObjective: To evaluate the performance in endodontic retreatment and pericervical dentin preservation using ProDesign Logic (PDL), Reciproc Blue (RB), and WaveOne Gold (WOG) NiTi systems in first (MB1) and second (MB2) mesiobuccal root canals of maxillary molars, using cone-beam computed tomography (CBCT) and micro-computed tomography (micro-CT). Materials and methods: MB1 and MB2 canals were prepared, filled, and randomized into four groups (n = 8). MB1 were retreated using PDL up to file 40/0.05 or RB R40 (40/0.06), while MB2 were retreated using PDL up to file 35/0.05 or WOG (35/0.06). Micro-CT scans were performed before and after retreatment to assess the remaining filling material, canal transportation, and canal centralization. Dentin removal and remaining dentin were measured at four levels below the furcation through CBCT scans analyzed with the e-Vol DX software, with micro-CT serving as the reference standard. Results: RB was more effective than PDL in removing MB1 filling material, while PDL outperformed WOG in the apical third of MB2 (p < 0.05). Overall, CBCT measurements for dentin removal were consistent with micro-CT in MB1 but occasionally underestimated in MB2 (p < 0.05). A significant reduction in MB2 danger zone dentin thickness below 0.5 mm was observed after retreatment (p < 0.05). Conclusions: RB was more effective in retreating MB1, while PDL was more efficient in the apical third of MB2. A substantial decrease in dentin thickness in the MB2 danger zone was noted after retreatment, regardless of the NiTi system or imaging modality used. Overall, CBCT scans provided consistent assessments of dentin. Clinical relevance: Selecting appropriate NiTi systems minimizes dentin removal in MB1 and MB2 danger zones, reducing the risk of perforation in the furcation area. CBCT reliably assesses dentin thickness, aiding clinical decisions and improving endodontic retreatment outcomes.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionDepartment of Restorative Dentistry School of Dentistry São Paulo State University (UNESP), São Paulo-
Descrição: dc.descriptionOMFS IMPATH Research Group Department of Imaging and Pathology Faculty of Medicine University of Leuven-
Descrição: dc.descriptionDepartment of Stomatology Public Health and Forensic Dentistry Division of Oral Radiology School of Dentistry of Ribeirão Preto University of São Paulo-
Descrição: dc.descriptionDepartment of Dentistry Centro Universitário Presidente Antônio Carlos (UNIPAC), Minas Gerais-
Descrição: dc.descriptionDepartment of Dentistry Centro Universitário Presidente Tancredo de Almeida Neves (UNIPTAN), Minas Gerais-
Descrição: dc.descriptionDepartment of Diagnosis and Surgery School of Dentistry São Paulo State University (UNESP), São Paulo-
Descrição: dc.descriptionDepartment of Dentistry Endodontics and Dental Materials Bauru School of Dentistry University of São Paulo (USP), Sao Paulo-
Descrição: dc.descriptionDepartment of Restorative Dentistry Araraquara Dental School São Paulo State University - UNESP, Rua Humaitá,1680, SP-
Descrição: dc.descriptionDepartment of Restorative Dentistry School of Dentistry São Paulo State University (UNESP), São Paulo-
Descrição: dc.descriptionDepartment of Diagnosis and Surgery School of Dentistry São Paulo State University (UNESP), São Paulo-
Descrição: dc.descriptionDepartment of Restorative Dentistry Araraquara Dental School São Paulo State University - UNESP, Rua Humaitá,1680, SP-
Descrição: dc.descriptionFAPESP: 2020/11011-7-
Descrição: dc.descriptionFAPESP: 2020/11012-3-
Descrição: dc.descriptionFAPESP: 2023/13106-3-
Idioma: dc.languageen-
Relação: dc.relationClinical Oral Investigations-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCone-beam computed tomographic-
Palavras-chave: dc.subjectDentine thickness-
Palavras-chave: dc.subjectEndodontic retreatment-
Palavras-chave: dc.subjectMaxillary molars-
Palavras-chave: dc.subjectMicro-computed tomography-
Título: dc.titleEffectiveness and safety of three NiTi systems in endodontic retreatment of MB1 and MB2 root canals: a micro-CT and CBCT combined analysis-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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