Mandibular cortical width measurement based on dental panoramic radiographs with computer-aided system
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Published:
Feb 5, 2013
Keywords:
dental panoramic tomogram, cortical width, edges extraction, segmentation
Main Article Content
Abstract
The paper presents a method of the determining a mandibular cortical width on dental panoramic radiographs. Cortical width of lower border of mandible may potentially be associated with recognition of osteoporosis in postmenopausal women. An algorithm to perform a semiautomatic cortical width measurement in a given region of interest was developed. The algorithm is based on separate extraction of lower and upper boundaries of cortical bone. Results of boundaries extraction performed on 34 panoramic radiographs of healthy and osteoporotic individuals are presented, together with automatic measurements of particular distances. They were compared with results of hand-made measurements done by two maxillofacial radiologists. Presented algorithm may potentially be useful for screening patients with osteoporosis.
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BioInformatics and e-Technologies
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https://doi.org/10.1067/moe.2003.119
W.G.M. Geraets, J.G.C. Verheij, P.F. van der Stelt, K. Horner,C. Lindh, K. Nicopoulou-Karayianni, R. Jacobs, E.J. Harrison, J.E. Adams, H. Devlin "Prediction of bone mineral density with dental radiographs," Bone, 40, pp. 1217-1221, 2007
https://doi.org/10.1016/j.bone.2007.01.009
P. D. Allen, J. Graham, D. J. J. Farnell, E. J. Harrison, R. Jacobs, K. Nicopolou-Karayianni, C. Lindh, P. F. van der Stelt, K. Horner, H. Devlin, "Detecting Reduced Bone Mineral Density From Dental Radiographs Using Statistical Shape Models," IEEE Transaction on Information Technology in Biomedicine, 6, pp. 601-610, 2007.
https://doi.org/10.1109/TITB.2006.888704
A. Z. Arifin, A. Asano, A. Taguchi, T. Nakamoto, M. Ohtsuka, M. Tsuda, Y. Kudo, K. Tanimoto, "Computer- aided system for measuring the mandibular cortical width on dental panoramic radiographs in identifying postmenopausal women with low bone mineral density," Osteoporosis International, 17, pp. 753-759, 2006.
https://doi.org/10.1007/s00198-005-0045-2
K. Karayianni, K. Horner, A. Mitsea, L. Berkas, M. Mastoris, R. Jacobs, C. Lindh, P.F. van der Stelt, E. Harrison, J.E. Adams, S. Pavitt, H. Devlin, "Accuracy in osteoporosis diagnosis of a combination of mandibular cortical width measurement on dental panoramic radiographs and a clinical risk index (OSIRIS): The OSTEODENT project," Bone, 40, pp. 223–229, 2007.
https://doi.org/10.1016/j.bone.2006.07.025
E. N. Mortensen, W. A. Barrett, "Interactive Segmentation with Intelligent Scissors," Graphical Models and Image Processing, 60, pp. 349–384, 1998.
A.Z. Arifin, A. Asano, A. Taguchi, T. Nakamoto, M. Ohtsuka, K. Tanimoto, "Computer-aided system for measuring the mandibular cortical width on panoramic radiographs in osteoporosis diagnosis", Progress in Biomedical Optics and Imaging - Proceedings of SPIE, 5747, pp. 813-821, 2005.