Anatomical characteristics of different tooth groups Effect on in-office bleaching treatment

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniv Toronto-
Autor(es): dc.creatorEsteves, Lara Maria Bueno-
Autor(es): dc.creatorCintra, Luciano Tavares angelo-
Autor(es): dc.creatorSouza Santos, Anderson Maikon de-
Autor(es): dc.creatorAidar, Karen Milare Seicento-
Autor(es): dc.creatorSouza Costa, Carlos Alberto de-
Autor(es): dc.creatorSantos, Paulo Henrique dos-
Autor(es): dc.creatorBriso, Andre Luiz Fraga-
Data de aceite: dc.date.accessioned2025-08-21T15:25:37Z-
Data de disponibilização: dc.date.available2025-08-21T15:25:37Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-09-01-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/298815-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/298815-
Descrição: dc.descriptionAim: The objective of the present study was to investigate the association between the anatomical characteristics of different tooth groups and the diffusion and bleaching effect of hydrogen peroxide (H2O2). Materials and methods: Computed tomography (CT) images from five patients were used to assess the hard tissue thickness and pulp volume (PV) of four tooth groups: lower (mandibular) incisors (lI), upper (maxillary) incisors (UI), canines (C), and premolars (PM). Additionally, 80 bovine tooth disks were divided into four groups (n = 20) to match the thickness of each tooth group studied. All the specimens were exposed to a 35% H2O2 bleaching gel, with 50 mu l applied for 45 min during the first, second, and third sessions. Diffusion was evaluated using the peroxidase enzyme method. Color change analyses (triangle E, triangle E00, and triangle WID) were performed after the three application sessions and 7 days after the bleaching treatment using a spectrophotometer. Results: The PM group showed greater thickness and PV, followed by the C, UI, and lI groups (P < 0.001). The lI group had six times greater H2O2 diffusion compared with the PM group (P < 0.001), while the PM group exhibited a PV nine times larger than the lI group. Furthermore, the lI and UI groups achieved color saturation with one fewer session than the C and PM groups. Conclusions: Specific tooth groups have anatomical characteristics that interfere with bleaching treatment in terms of the diffusion and whitening effect of H2O2. Furthermore, the diffusion capacity of H2O2 was inversely proportional to the thickness of the tooth groups-
Descrição: dc.descriptionPaulista State Univ UNESP, Sch Dent Aracatuba, Dept Prevent & Restorat Dent, Aracatuba, SP, Brazil-
Descrição: dc.descriptionPaulista State Univ UNESP, Sch Dent Aracatuba, Dept Diag & Surg, Aracatuba, SP, Brazil-
Descrição: dc.descriptionPaulista State Univ UNESP, Dept Physiol & Pathol, Araraquara, SP, Brazil-
Descrição: dc.descriptionUniv Toronto, Dent Res Inst, Restorat Dent, Toronto, ON, Canada-
Descrição: dc.descriptionPaulista State Univ UNESP, Sch Dent Aracatuba, Dept Prevent & Restorat Dent, Aracatuba, SP, Brazil-
Descrição: dc.descriptionPaulista State Univ UNESP, Sch Dent Aracatuba, Dept Diag & Surg, Aracatuba, SP, Brazil-
Descrição: dc.descriptionPaulista State Univ UNESP, Dept Physiol & Pathol, Araraquara, SP, Brazil-
Formato: dc.format100-
Idioma: dc.languageen-
Publicador: dc.publisherQuintessence Publishing Co Inc-
Relação: dc.relationInternational Journal Of Esthetic Dentistry-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectcolor change-
Palavras-chave: dc.subjectdental pulp cavity-
Palavras-chave: dc.subjectendodontics-
Palavras-chave: dc.subjectrestorative dentistry-
Palavras-chave: dc.subjecttooth bleaching-
Título: dc.titleAnatomical characteristics of different tooth groups Effect on in-office bleaching treatment-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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