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Eu<sup>3+</sup> doped monetite and its use as fluorescent agent for dental restorations

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Eu3+ doped monetite and its use as fluorescent agent for dental restorations

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CHEN, Song, Shihuai WANG, Hu LI, Kerstin FORSBERG, 2018. Eu3+ doped monetite and its use as fluorescent agent for dental restorations. In: Ceramics International. 44(9), pp. 10510-10516. ISSN 0272-8842. eISSN 1873-3956. Available under: doi: 10.1016/j.ceramint.2018.03.068

@article{Chen2018-06doped-42441, title={Eu3+ doped monetite and its use as fluorescent agent for dental restorations}, year={2018}, doi={10.1016/j.ceramint.2018.03.068}, number={9}, volume={44}, issn={0272-8842}, journal={Ceramics International}, pages={10510--10516}, author={Chen, Song and Wang, Shihuai and Li, Hu and Forsberg, Kerstin} }

Wang, Shihuai Chen, Song Forsberg, Kerstin Chen, Song 2018-05-29T07:25:27Z 2018-05-29T07:25:27Z It is essential but challenging to distinguish the dental restorations from the surrounding teeth when removing filling materials from cavity. In this study, Eu<sup>3+</sup> doped monetite was proposed as a fluorescent agent for dental restorations to meet this challenge. Eu<sup>3+</sup> doped monetite with enhanced fluorescent property was obtained via a precipitation method. The presence of Eu<sup>3+</sup> could prevent the phase transformation of brushite to monetite. However, all the brushite particles transformed to monetite at 300 °C and to tricalcium phosphate at 800 °C. The emission intensity increased with the addition of Eu<sup>3+</sup> and reached the maximum when 12 mol% Eu<sup>3+</sup> was added into the aqueous solution. With either 254 nm or 393 nm excitation, Eu<sup>3+</sup> doped monetite showed the strongest fluorescence emission peaking at 616 nm and other two moderate bands peaking at 699 nm and 593 nm. The excitation spectra at the emission wavelength of 616 nm showed strong absorption peaks at 254 nm and 393 nm. We further investigate the fluorescence properties of Eu<sup>3+</sup> doped monetite in one type of dental restorations. Glass ionomer cement with Eu<sup>3+</sup> doped monetite exhibited clear fluoresce with origin color under UV irradiation at 254 nm, showing that Eu3+ doped monetite is a promising fluorescent agent for dental restorations. Li, Hu Forsberg, Kerstin eng 2018-06 Li, Hu Wang, Shihuai Eu<sup>3+</sup> doped monetite and its use as fluorescent agent for dental restorations

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