What question did this study set out to answer?

This research aims to assess the effectiveness of a hydrogen peroxide hydrogel with manganese oxide for dental bleaching while evaluating enamel preservation.

April 1, 2026European Journal Of Oral SciencesOpen Access

In situ evaluation of the bleaching efficacy of experimental hydrogen peroxide hydrogel with MnO‐doped Biosilicate activated by violet LED light

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Authors

RDRafael DascanioUniversidade Estadual de Campinas (UNICAMP)MSMARINA TREVELIN SOUZAUniversidade Federal de São Carlos CCCamila Siqueira Silva CoelhoUniversidade Estadual de Campinas (UNICAMP)

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Implication

In situ evaluation demonstrates enhanced bleaching efficacy in enamel using a novel MnO-doped hydrogel and violet LED light, indicating potential benefits for dental applications.

Key Points

This research aims to assess the effectiveness of a hydrogen peroxide hydrogel with manganese oxide for dental bleaching while evaluating enamel preservation.
Developed a 6% hydrogen peroxide hydrogel with MnO-doped biosilicate activated by violet LED.
Conducted in situ bleaching on pigmented enamel blocks over 15 days with three 30-minute sessions.
Evaluated color change, whiteness index, and enamel properties pre- and post-treatment using various measurements.
6%HP_MnO_BioS_LED achieved the highest bleaching effectiveness with ΔE00 of 8.90 ± 1.18.
MnO_BioS groups significantly increased enamel CO3 2− /PO4 3− ratios, indicating improved mineral content after treatment.
Surface hardness recovery was better in MnO_BioS groups compared to 35%HP, which showed a decrease.

Cite This Study

Dascanio et al. (2026) studied this question.

synapsesocial.com/papers/69cd7ad45652765b073a8498 https://doi.org/10.1111/eos.70089

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Implication

In situ evaluation demonstrates enhanced bleaching efficacy in enamel using a novel MnO-doped hydrogel and violet LED light, indicating potential benefits for dental applications.

In situ evaluation of the bleaching efficacy of experimental hydrogen peroxide hydrogel with MnO‐doped Biosilicate activated by violet LED light

Discussion

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Implication

Key Points

Cite This Study

In situ evaluation of the bleaching efficacy of experimental hydrogen peroxide hydrogel with MnO‐doped Biosilicate activated by violet LED light

Discussion

Member takes

Implication

Key Points

Cite This Study

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