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Clinical comparison of whitening efficacy and tooth sensitivity of different concentrations of hydrogen peroxide photoactivated with violet or blue LEDs.

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Title: Clinical comparison of whitening efficacy and tooth sensitivity of different concentrations of hydrogen peroxide photoactivated with violet or blue LEDs.
Authors: Oliveira, Maria Gabriela Veiga Vidal de1 (AUTHOR), Dutra, Daniel José Braga1 (AUTHOR), Costa, Joatan Lucas de Sousa Gomes1 (AUTHOR) joatan_costa@hotmail.com, Besegato, João Felipe2 (AUTHOR), Barros, Antonia Patricia Oliveira3 (AUTHOR), Oliveira, Ricardo Reis1 (AUTHOR), Araújo, Patricia Valente1 (AUTHOR), Alvim, Hugo Henriques1 (AUTHOR)
Source: Lasers in Medical Science. 7/26/2024, Vol. 39 Issue 1, p1-7. 7p.
Subjects: Tooth sensitivity, Hydrogen peroxide, Tooth whitening, Galena, Visual analog scale
Abstract: This study evaluated the photoactivation of hydrogen peroxide gels at different concentrations using blue or violet LED in terms of whitening efficacy and tooth sensitivity. Forty patients were randomly divided into 4 groups: HP6V (violet LED and 6% hydrogen peroxide), HP6B (blue LED and 6% hydrogen peroxide), HP35V (violet LED and 35% hydrogen peroxide), and HP35B (blue LED and 35% hydrogen peroxide). The L*, a* and b* values were measured before, 1 week and 3 months after treatment, and the ΔE and ΔWID values were calculated. Tooth sensitivity was measured using a visual analogue scale (VAS) before, immediately after, and 24 h after bleaching. The ΔE, ΔWID and bleaching sensitivity values were subjected to the ANOVA test and Bonferroni post-test. HP35V and HP35B showed higher whitening efficacy than HP6VL, while HP6V did not show statistical differences compared to the other groups. Regarding bleaching-related sensitivity, the HP6V and HP6B groups presented the lowest values when compared to HP35V and HP35B. HP6V showed whitening efficacy comparable to HP35V and HP35B but with reduced tooth sensitivity. Trial registration number: NCT06165458; registration date: 12/09/2023. [ABSTRACT FROM AUTHOR]
Copyright of Lasers in Medical Science is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Clinical comparison of whitening efficacy and tooth sensitivity of different concentrations of hydrogen peroxide photoactivated with violet or blue LEDs.
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  Data: <searchLink fieldCode="JN" term="%22Lasers+in+Medical+Science%22">Lasers in Medical Science</searchLink>. 7/26/2024, Vol. 39 Issue 1, p1-7. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Tooth+sensitivity%22">Tooth sensitivity</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen+peroxide%22">Hydrogen peroxide</searchLink><br /><searchLink fieldCode="DE" term="%22Tooth+whitening%22">Tooth whitening</searchLink><br /><searchLink fieldCode="DE" term="%22Galena%22">Galena</searchLink><br /><searchLink fieldCode="DE" term="%22Visual+analog+scale%22">Visual analog scale</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: This study evaluated the photoactivation of hydrogen peroxide gels at different concentrations using blue or violet LED in terms of whitening efficacy and tooth sensitivity. Forty patients were randomly divided into 4 groups: HP6V (violet LED and 6% hydrogen peroxide), HP6B (blue LED and 6% hydrogen peroxide), HP35V (violet LED and 35% hydrogen peroxide), and HP35B (blue LED and 35% hydrogen peroxide). The L*, a* and b* values were measured before, 1 week and 3 months after treatment, and the ΔE and ΔWID values were calculated. Tooth sensitivity was measured using a visual analogue scale (VAS) before, immediately after, and 24 h after bleaching. The ΔE, ΔWID and bleaching sensitivity values were subjected to the ANOVA test and Bonferroni post-test. HP35V and HP35B showed higher whitening efficacy than HP6VL, while HP6V did not show statistical differences compared to the other groups. Regarding bleaching-related sensitivity, the HP6V and HP6B groups presented the lowest values when compared to HP35V and HP35B. HP6V showed whitening efficacy comparable to HP35V and HP35B but with reduced tooth sensitivity. Trial registration number: NCT06165458; registration date: 12/09/2023. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Lasers in Medical Science is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10103-024-04144-6
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      – SubjectFull: Tooth whitening
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              Text: 7/26/2024
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