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Sensors 2016, 16(12), 2076; doi:10.3390/s16122076

Bio-Photonic Detection and Quantitative Evaluation Method for the Progression of Dental Caries Using Optical Frequency-Domain Imaging Method

1
School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 80, Daehak-ro, Buk-gu, Daegu 41566, Korea
2
Eaton-Peabody Laboratories, Massachusetts Eye and Ear Infirmary(MEEI), 243, Charles Street, Boston, MA 02114, USA
3
Department of Otology and Laryngology, Harvard Medical School, 243, Charles Street, Boston, MA 02114, USA
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editors: Dragan Indjin, Željka Cvejić and Małgorzata Jędrzejewska-Szczerska
Received: 28 September 2016 / Revised: 26 November 2016 / Accepted: 2 December 2016 / Published: 6 December 2016
View Full-Text   |   Download PDF [7836 KB, uploaded 6 December 2016]   |  

Abstract

The initial detection of dental caries is an essential biomedical requirement to barricade the progression of caries and tooth demineralization. The objective of this study is to introduce an optical frequency-domain imaging technique based quantitative evaluation method to calculate the volume and thickness of enamel residual, and a quantification method was developed to evaluate the total intensity fluctuation in depth direction owing to carious lesions, which can be favorable to identify the progression of dental caries in advance. The cross-sectional images of the ex vivo tooth samples were acquired using 1.3 μm spectral domain optical coherence tomography system (SD-OCT). Moreover, the advantages of the proposed method over the conventional dental inspection methods were compared to highlight the potential capability of OCT. As a consequence, the threshold parameters obtained through the developed method can be used as an efficient investigating technique for the initial detection of demineralization. View Full-Text
Keywords: optical frequency domain imaging (OFDI); optical coherence tomography; dental caries; demineralization; Bio-photonic detection optical frequency domain imaging (OFDI); optical coherence tomography; dental caries; demineralization; Bio-photonic detection
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wijesinghe, R.E.; Cho, N.H.; Park, K.; Jeon, M.; Kim, J. Bio-Photonic Detection and Quantitative Evaluation Method for the Progression of Dental Caries Using Optical Frequency-Domain Imaging Method. Sensors 2016, 16, 2076.

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