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Photocatalytic treatments on dental mirror surfaces using hydrolysis of titanium alkoxide

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Abstract

Anatase titanium dioxide (TiO2) photocatalytic thin films were directly formed on glass slide and commercial dental mirror substrate surfaces by a hydrolysis of titanium alkoxide, and the hydrophilicity, the degree of oxidizing power and the transparency of the anatase TiO2-coated substrate surfaces. The contact angles of water and the decomposition rates of methylene blue on the anatase TiO2 photocatalytic thin films improved with the increasing duration of a tetraethyl orthotitanate (TEOT) hydrolysis, but they hardly changed for the longer duration. The reflectance of anatase TiO2 photocatalytic thin films coated on glass slide substrate surfaces was higher as the duration of a TEOT hydrolysis increased. Similar tendencies concerning hydrophilicity and transparency were recognized in cases of commercial dental mirror substrate surfaces. A hydrolysis of titanium alkoxide obtained superhydrophilic and antibacterial treatments with excellent transparency on commercial dental mirror substrate surfaces.

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Author notes

  1. Kunio Funakoshi

    Present address: Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8564, Japan

Authors and Affiliations

  1. Ceramics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Moriyama, Nagoya, 463-8560, Japan

    Kunio Funakoshi & Toru Nonami

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  1. Kunio Funakoshi
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  2. Toru Nonami
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Correspondence to Kunio Funakoshi.

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Funakoshi, K., Nonami, T. Photocatalytic treatments on dental mirror surfaces using hydrolysis of titanium alkoxide. J Coat Technol Res 4, 327–333 (2007). https://doi.org/10.1007/s11998-007-9030-3

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  • DOI: https://doi.org/10.1007/s11998-007-9030-3

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