Photoacoustic imaging of hidden dental caries by using a fiber-based probing system

Takuya Koyama; Satoko Kakino; Yuji Matsuura

doi:10.1117/12.2272950

18 April 2017 Photoacoustic imaging of hidden dental caries by using a fiber-based probing system

Takuya Koyama, Satoko Kakino, Yuji Matsuura

Proceedings Volume 10251, Biomedical Imaging and Sensing Conference; 1025119 (2017) https://doi.org/10.1117/12.2272950
Event: SPIE Technologies and Applications of Structured Light, 2017, Yokohama, Japan

Abstract

Photoacoustic method to detect hidden dental caries is proposed. It was found that high frequency ultrasonic waves are generated from hidden carious part when radiating laser light to occlusal surface of model tooth. By making a map of intensity of these high frequency components, photoacoustic images of hidden caries were successfully obtained. A photoacoustic imaging system using a bundle of hollow optical fiber was fabricated for using clinical application, and clear photoacoustic image of hidden caries was also obtained by this system.

Citation Download Citation

Takuya Koyama, Satoko Kakino, and Yuji Matsuura "Photoacoustic imaging of hidden dental caries by using a fiber-based probing system", Proc. SPIE 10251, Biomedical Imaging and Sensing Conference, 1025119 (18 April 2017); https://doi.org/10.1117/12.2272950

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