1 July 2011 Subgingival calculus imaging based on swept-source optical coherence tomography
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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.
© (2011) Society of Photo-Optical Instrumentation Engineers (SPIE)
Yao-Sheng Hsieh, Yao-Sheng Hsieh, Chia-Wei Sun, Chia-Wei Sun, Chun-Yang Wang, Chun-Yang Wang, Yi-Ching Ho, Yi-Ching Ho, Shyh-Yuan Lee, Shyh-Yuan Lee, Chih-Wei Lu, Chih-Wei Lu, Cho-Pei Jiang, Cho-Pei Jiang, Ching-Cheng Chuang, Ching-Cheng Chuang, } "Subgingival calculus imaging based on swept-source optical coherence tomography," Journal of Biomedical Optics 16(7), 071409 (1 July 2011). https://doi.org/10.1117/1.3602851 . Submission:

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