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

Autor: Taynara de Souza CARNEIRO, Michael Willian FAVORETO, João Pedro Ferreira RODRIGUES, Elisama SUTIL, Gabrielle Gomes CENTENARO, Isabela de Matos de FREITAS, Alessandra REIS, Laura Ceballos GARCÍA, Alessandro Dourado LOGUERCIO
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Journal of Applied Oral Science, Vol 32 (2024)
Druh dokumentu: article
ISSN: 1678-7765
1678-7757
DOI: 10.1590/1678-7757-2023-0416
Popis: Abstract 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. Objective 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. Methodology 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). Results 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 (p0.29). There was a significant impact of oral condition on quality of life after bleaching (p
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