Detecting reduced bone mineral density from dental radiographs using statistical shape models

Philip D. Allen; J. Graham; D. J J Farnell; E. J. Harrison; Reinhilde Jacobs; K. Karayianni; Christina Lindh; P. F. van der Stelt; K. Horner; Hugh Devlin

doi:10.1109/TITB.2006.888704

Detecting reduced bone mineral density from dental radiographs using statistical shape models

Philip D. Allen, J. Graham, D. J J Farnell, E. J. Harrison, Reinhilde Jacobs, K. Karayianni, Christina Lindh, P. F. van der Stelt, K. Horner, Hugh Devlin

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Abstract

We describe a novel method of estimating reduced bone mineral density (BMD) from dental panoramic tomograms (DPTs), which show the entire mandible. Careful expert width measurement of the inferior mandibular cortex has been shown to be predictive of BMD in hip and spine osteopenia and osteoporosis. We have implemented a method of automatic measurement of the width by active shape model search, using as training data 132 DPTs of female subjects whose BMD has been established by dual-energy X-ray absorptiometry. We demonstrate that widths measured after fully automatic search are significantly correlated with BMD, and exhibit less variability than manual measurements made by different experts. The correlation is highest towards the lateral region of the mandible, in a position different from that previously employed for manual width measurement. An receiver-operator characterstic (ROC) analysis for identifying osteopenia (T

Original language	English
Pages (from-to)	601-610
Number of pages	9
Journal	IEEE Transactions on Information Technology in Biomedicine
Volume	11
Issue number	6
DOIs	https://doi.org/10.1109/TITB.2006.888704
Publication status	Published - Nov 2007

Keywords

Active Shape Model
Bone Mineral Density
Dental Panoramic Tomogram
Inferior Mandibular Cortex
Osteopenia
Osteoporosis
Segmentation

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title = "Detecting reduced bone mineral density from dental radiographs using statistical shape models",

abstract = "We describe a novel method of estimating reduced bone mineral density (BMD) from dental panoramic tomograms (DPTs), which show the entire mandible. Careful expert width measurement of the inferior mandibular cortex has been shown to be predictive of BMD in hip and spine osteopenia and osteoporosis. We have implemented a method of automatic measurement of the width by active shape model search, using as training data 132 DPTs of female subjects whose BMD has been established by dual-energy X-ray absorptiometry. We demonstrate that widths measured after fully automatic search are significantly correlated with BMD, and exhibit less variability than manual measurements made by different experts. The correlation is highest towards the lateral region of the mandible, in a position different from that previously employed for manual width measurement. An receiver-operator characterstic (ROC) analysis for identifying osteopenia (T",

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AU - Allen, Philip D.

AU - Graham, J.

AU - Farnell, D. J J

AU - Harrison, E. J.

AU - Jacobs, Reinhilde

AU - Karayianni, K.

AU - Lindh, Christina

AU - van der Stelt, P. F.

AU - Horner, K.

AU - Devlin, Hugh

PY - 2007/11

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AB - We describe a novel method of estimating reduced bone mineral density (BMD) from dental panoramic tomograms (DPTs), which show the entire mandible. Careful expert width measurement of the inferior mandibular cortex has been shown to be predictive of BMD in hip and spine osteopenia and osteoporosis. We have implemented a method of automatic measurement of the width by active shape model search, using as training data 132 DPTs of female subjects whose BMD has been established by dual-energy X-ray absorptiometry. We demonstrate that widths measured after fully automatic search are significantly correlated with BMD, and exhibit less variability than manual measurements made by different experts. The correlation is highest towards the lateral region of the mandible, in a position different from that previously employed for manual width measurement. An receiver-operator characterstic (ROC) analysis for identifying osteopenia (T

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KW - Bone Mineral Density

KW - Dental Panoramic Tomogram

KW - Inferior Mandibular Cortex

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KW - Segmentation

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Detecting reduced bone mineral density from dental radiographs using statistical shape models

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Keywords

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