期刊
JOURNAL OF BIOMEDICAL OPTICS
卷 16, 期 7, 页码 -出版社
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.3602851
关键词
swept source optical coherence tomography; periodontitis; subgingival calculus
资金
- National Science Council of Taiwan [NSC 99-2221-E-010-011, NSC 99-2622-E-010-001-CC3, NSC 98-2221-E-010-004]
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. (C) 2011 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.3602851]
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