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In-office dental bleaching in adolescents using 6% hydrogen peroxide with and without gingival barrier: a randomized double-blind clinical trial

Carneiro, Taynara de Souza ; Favoreto, Michael Willian ; Rodrigues, João Pedro Ferreira ; Sutil, Elisama ; Centenaro, Gabrielle Gomes ; Freitas, Isabela de Matos de ; Reis, Alessandra ; García, Laura Ceballos ; Loguercio, Alessandro Dourado

Journal of applied oral science, 2024, Vol.32, p.e20230416-e20230416 [Periódico revisado por pares]

Brazil: Faculdade De Odontologia De Bauru - USP

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  • Título:
    In-office dental bleaching in adolescents using 6% hydrogen peroxide with and without gingival barrier: a randomized double-blind clinical trial
  • Autor: Carneiro, Taynara de Souza ; Favoreto, Michael Willian ; Rodrigues, João Pedro Ferreira ; Sutil, Elisama ; Centenaro, Gabrielle Gomes ; Freitas, Isabela de Matos de ; Reis, Alessandra ; García, Laura Ceballos ; Loguercio, Alessandro Dourado
  • Assuntos: Adolescent ; Clinical trial ; Dentin Sensitivity - chemically induced ; DENTISTRY, ORAL SURGERY & MEDICINE ; Gels ; Gingiva ; Humans ; Hydrogen Peroxide ; Original ; Quality of Life ; RCT ; Teeth whitening ; Tooth Bleaching - adverse effects ; Tooth Bleaching - methods ; Tooth bleaching agents ; Tooth Bleaching Agents - adverse effects ; Treatment Outcome
  • É parte de: Journal of applied oral science, 2024, Vol.32, p.e20230416-e20230416
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
    ObjectType-Undefined-3
    Associate Editor: Adilson Furuse
    The authors declare no conflict of interest.
    Conflict of interest
    Editor: Linda Wang
  • Descrição: At low concentrations used for in-office bleaching gels, such as 6% HP, gingival barrier continues to be performed. If we take into account that, in the at-home bleaching technique, no barrier is indicated, it seems that the use of a gingival barrier fails to make much sense when bleaching gel in low concentration is used for in-office bleaching. This double-blind, split-mouth, randomized clinical trial evaluated the gingival irritation (GI) of in-office bleaching using 6% hydrogen peroxide (HP) with and without a gingival barrier in adolescents, as well as color change and the impact of oral condition on quality of life. Overall, 60 participants were randomized into which side would or would not receive the gingival barrier. In-office bleaching was performed for 50 minutes with 6% HP in three sessions. The absolute risk and intensity of GI were assessed with a visual analogue scale. Color change was assessed using a digital spectrophotometer and color guides. The impact of oral condition on quality of life was assessed using the Brazilian version of the Oral Health Impact Profile (α=0.05). The proportion of patients who presented GI for the "with barrier" group was 31.6% and for the "without barrier" group, 30% (p=1.0). There is an equivalence for the evaluated groups regarding GI intensity (p<0.01). Color change was detected with no statistical differences (p>0.29). There was a significant impact of oral condition on quality of life after bleaching (p<0.001). The use or not of the gingival barrier for in-office bleaching with 6% HP was equivalent for GI, as well as for bleaching efficacy, with improvement in the impact of oral condition on quality of life.
  • Editor: Brazil: Faculdade De Odontologia De Bauru - USP
  • Idioma: Inglês;Português
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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