Development of dental endoscope for root-canal observation

M. Fujimoto, S. Yoshii, C. Kitamura, S. Ikezawa, T. Ueda

研究成果: Conference contribution

抄録

With the development of dental instruments such as dental microscopes and techniques like cone-beam computed tomography (CBCT), the precision of dental treatment has greatly improved. However, the observation of fractures near the apex collateral of root canals using these instruments remains difficult. In this study, we developed two types of probes that employ external and internal irradiation, respectively. The external-irradiation probe comprises an image fiber and a gradient-index (GRIN) lens, each with a diameter of 500 μm. The internal-irradiation probe comprises an image fiber 300 μm in diameter; a GRIN lens 250 μm in diameter; and five optical fibers for illumination, each 65 μm in diameter. Both probes observed lines and spaces 10 to 100 μm in width on a sample when using a light source from the outside. The visibility of the obtained images increased with the width of the lines and spaces. The illumination of the observation area with the optical fibers inside of the probe was difficult because of a lack of light. In this study, we obtained high-resolution pictures of a root canal. In the future, we will re-design the lens to determine a suitable offset for the optical fiber.

本文言語English
ホスト出版物のタイトルProceedings of the International Conference on Sensing Technology, ICST
出版社IEEE Computer Society
ページ508-513
ページ数6
2016-March
ISBN(印刷版)9781479963140
DOI
出版ステータスPublished - 2016 3月 21
イベント9th International Conference on Sensing Technology, ICST 2015 - Auckland, New Zealand
継続期間: 2015 12月 82015 12月 11

Other

Other9th International Conference on Sensing Technology, ICST 2015
国/地域New Zealand
CityAuckland
Period15/12/815/12/11

ASJC Scopus subject areas

  • 人工知能
  • コンピュータ サイエンスの応用
  • 信号処理
  • 電子工学および電気工学

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