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Journal of Biomedical Optics

Subgingival calculus imaging based on swept-source optical coherence tomography
Author(s): Yao-Sheng Hsieh; Chia-Wei Sun; Chun-Yang Wang; Yi-Ching Ho; Shyh-Yuan Lee; Chih-Wei Lu; Cho-Pei Jiang; Ching-Cheng Chuang
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Paper Abstract

We characterized and imaged dental calculus using swept-source optical coherence tomography (SS-OCT). The refractive indices of enamel, dentin, cementum, and calculus were measured as 1.625 ± 0.024, 1.534 ± 0.029, 1.570 ± 0.021, and 2.097 ± 0.094, respectively. Dental calculus leads strong scattering properties, and thus, the region can be identified from enamel with SS-OCT imaging. An extracted human tooth with calculus is covered with gingiva tissue as an in vitro sample for tomographic imaging.

Paper Details

Date Published: 1 July 2011
PDF: 9 pages
J. Biomed. Opt. 16(7) 071409 doi: 10.1117/1.3602851
Published in: Journal of Biomedical Optics Volume 16, Issue 7
Show Author Affiliations
Yao-Sheng Hsieh, National Yang-Ming Univ. (Taiwan)
Chia-Wei Sun, National Yang-Ming Univ. (Taiwan)
Chun-Yang Wang, National Chiao Tung Univ. (Taiwan)
Yi-Ching Ho, National Yang-Ming Univ. (Taiwan)
Shyh-Yuan Lee, National Yang-Ming Univ. (Taiwan)
Chih-Wei Lu, Industrial Technology Research Institute (Taiwan)
Cho-Pei Jiang, National Formosa Univ. (Taiwan)
Ching-Cheng Chuang, National Taiwan Univ. (Taiwan)

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