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Regular | Open Access

Dental Imaging With Near-Infrared Transillumination Using Random Fiber Laser

Jiayu GUO, Yunjiang RAO, Weili ZHANG( ), Zewen CUI, Anran LIU, Yongmei YAN
Key Laboratory of Optical Fiber Sensing & Communications (Ministry of Education), University of Electronic Science and Technology of China, Chengdu 611731, China
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Abstract

Contrary to the conventional detection method like radiography, the near infrared light source has been demonstrated to be suitable for dental imaging due to different reflectivity among enamel, dentin, and caries lesion. In this paper, three light sources with different bandwidths based on a transillumination method are compared. The contrast among enamel, dentin, and caries lesion is calculated in different situations. The experimental results show that the random fiber laser has the best comprehensive quality in dental imaging due to its high spectral density, low coherence, and deep penetration. This work provides a guidance for light source selection in dental imaging.

Keywords

Random fiber lasernear infrareddental imagingcaries detection

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Photonic Sensors
Volume 10 Issue 4,
December 2020
Pages 333-339
DOI: 10.1007/s13320-020-0582-5

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Cite this article:
GUO J, RAO Y, ZHANG W, et al. Dental Imaging With Near-Infrared Transillumination Using Random Fiber Laser. Photonic Sensors, 2020, 10(4): 333-339. https://doi.org/10.1007/s13320-020-0582-5

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Received: 11 November 2019
Revised: 25 February 2020
Published: 02 April 2020
© The Author(s) 2020.

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.