Subgingival calculus imaging based on swept-source optical coherence tomography.

  title={Subgingival calculus imaging based on swept-source optical coherence tomography.},
  author={Yao-Sheng Hsieh and Yi-Ching Ho and Shyh-Yuan Lee and Chih-Wei Lu and Cho-Pei Jiang and Ching-Cheng Chuang and Chun-Yang Wang and Chia-Wei Sun},
  journal={Journal of biomedical optics},
  volume={16 7},
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… CONTINUE READING


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