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Pyro-catalysis for tooth whitening via oral temperature fluctuation

Author

Listed:
  • Yang Wang

    (Nanjing University of Science and Technology)

  • Shuhao Wang

    (Nanjing University of Science and Technology)

  • Yanze Meng

    (Peking University School and Hospital of Stomatology)

  • Zhen Liu

    (Nanjing University of Science and Technology)

  • Dijie Li

    (Nanjing University of Science and Technology)

  • Yunyang Bai

    (Peking University School and Hospital of Stomatology)

  • Guoliang Yuan

    (Nanjing University of Science and Technology)

  • Yaojin Wang

    (Nanjing University of Science and Technology)

  • Xuehui Zhang

    (Peking University School and Hospital of Stomatology
    Peking University School and Hospital of Stomatology)

  • Xiaoguang Li

    (Department of Physics, and CAS Key Laboratory of Strongly-Coupled Quantum Matter Physics University of Science and Technology of China)

  • Xuliang Deng

    (Peking University School and Hospital of Stomatology
    Peking University School and Hospital of Stomatology)

Abstract

Tooth whitening has recently become one of the most popular aesthetic dentistry procedures. Beyond classic hydrogen peroxide-based whitening agents, photo-catalysts and piezo-catalysts have been demonstrated for non-destructive on-demand tooth whitening. However, their usage has been challenged due to the relatively limited physical stimuli of light irradiation and ultrasonic mechanical vibration. To address this challenge, we report here a non-destructive and convenient tooth whitening strategy based on the pyro-catalysis effect, realized via ubiquitous oral motion-induced temperature fluctuations. Degradation of organic dyes via pyro-catalysis is performed under cooling/heating cycling to simulate natural temperature fluctuations associated with intake and speech. Teeth stained by habitual beverages and flavorings can be whitened by the pyroelectric particles-embedded hydrogel under a small surrounding temperature fluctuation. Furthermore, the pyro-catalysis-based tooth whitening procedure exhibits a therapeutic biosafety and sustainability. In view of the exemplary demonstration, the most prevalent oral temperature fluctuation will enable the pyro-catalysis-based tooth whitening strategy to have tremendous potential for practical applications.

Suggested Citation

  • Yang Wang & Shuhao Wang & Yanze Meng & Zhen Liu & Dijie Li & Yunyang Bai & Guoliang Yuan & Yaojin Wang & Xuehui Zhang & Xiaoguang Li & Xuliang Deng, 2022. "Pyro-catalysis for tooth whitening via oral temperature fluctuation," Nature Communications, Nature, vol. 13(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-32132-3
    DOI: 10.1038/s41467-022-32132-3
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    References listed on IDEAS

    as
    1. Yang Wang & Xinrong Wen & Yanmin Jia & Ming Huang & Feifei Wang & Xuehui Zhang & Yunyang Bai & Guoliang Yuan & Yaojin Wang, 2020. "Piezo-catalysis for nondestructive tooth whitening," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
    2. Lingbo Xiao & Xiaoli Xu & Yanmin Jia & Ge Hu & Jun Hu & Biao Yuan & Yi Yu & Guifu Zou, 2021. "Pyroelectric nanoplates for reduction of CO2 to methanol driven by temperature-variation," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    3. Zhaona Wang & Ruomeng Yu & Caofeng Pan & Zhaoling Li & Jin Yang & Fang Yi & Zhong Lin Wang, 2015. "Light-induced pyroelectric effect as an effective approach for ultrafast ultraviolet nanosensing," Nature Communications, Nature, vol. 6(1), pages 1-7, December.
    4. Lingbo Xiao & Xiaoli Xu & Yanmin Jia & Ge Hu & Jun Hu & Biao Yuan & Yi Yu & Guifu Zou, 2021. "Author Correction: Pyroelectric nanoplates for reduction of CO2 to methanol driven by temperature-variation," Nature Communications, Nature, vol. 12(1), pages 1-1, December.
    5. Yiyang Li & Yung-Kang Peng & Liangsheng Hu & Jianwei Zheng & Dharmalingam Prabhakaran & Simson Wu & Timothy J. Puchtler & Mo Li & Kwok-Yin Wong & Robert A. Taylor & Shik Chi Edman Tsang, 2019. "Photocatalytic water splitting by N-TiO2 on MgO (111) with exceptional quantum efficiencies at elevated temperatures," Nature Communications, Nature, vol. 10(1), pages 1-9, December.
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