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Proceedings Paper

A novel image processing and measurement system applied to quantitative analysis of simulated tooth root canal shape
Author(s): Tao Yong; Wei Yong; Guofan Jin; Xuejun Gao
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Paper Abstract

Dental pulp is located in root canal of tooth. To modern root canal therapy, "Root canal preparation" is the main means to debride dental pulp infection. The shape of root canal will be changed after preparation, so, when assessing the preparation instruments and techniques, the root canal shaping ability especially the apical offset is very important factor. In this paper, a novel digital image processing and measurement system is designed and applied to quantitative analysis of simulated canal shape. By image pretreatment, feature extraction, registration and fusion, the variation of the root canals' characteristics (before and after preparation) can be accurately compared and measured, so as to assess the shaping ability of instruments. When the scanning resolution is 1200dpi or higher, the registration and measurement precision of the system can achieve 0.021mm or higher. The performance of the system is tested by a series of simulated root canals and stainless steel K-files.

Paper Details

Date Published: 8 February 2005
PDF: 7 pages
Proc. SPIE 5637, Electronic Imaging and Multimedia Technology IV, (8 February 2005); doi: 10.1117/12.577005
Show Author Affiliations
Tao Yong, Tsinghua Univ. (China)
Wei Yong, Peking Univ. (China)
Guofan Jin, Tsinghua Univ. (China)
Xuejun Gao, Peking Univ. (China)


Published in SPIE Proceedings Vol. 5637:
Electronic Imaging and Multimedia Technology IV
Chung-Sheng Li; Minerva M. Yeung, Editor(s)

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