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Zoekopdracht: faculteit: "ACTA" en publicatiejaar: "2008"

AuteursO. Nackaerts, R. Jacobs, H. Devlin, S. Pavitt, E. Bleyen, B. Yan, H. Borghs, C. Lindh, K. Karayianni, P. van der Stelt, E. Marjanovic, J.E. Adams, K. Horner
TitelOsteoporosis detection using intraoral densitometry
TijdschriftDentomaxillofacial Radiology
SamenvattingObjectives: To determine the diagnostic accuracy of mandibular and maxillary bone density
in detecting osteoporosis using receiver operating characteristic (ROC) analysis.
Methods: 671 women between 45 years and 70 years of age underwent dual energy X-ray
absorptiometry (DXA) of the hip and lumbar spine. This was the gold standard for diagnosing osteoporosis. Intraoral radiography of the upper and lower right premolar region
was performed, using an aluminium wedge as a densitometric reference. Jaw bone density
was determined using dedicated software. Observer differences and ROC curves were
Results: For detecting osteoporosis using jaw bone density, the area under the ROC curve
(Az) was 0.705. For separate analysis of mandibular and maxillary films, sensitivity varied
from 33.9% to 38.7% and specificity from 83.5% to 85.3% when using a threshold of 4.3 mm Al equivalent.
Conclusions: Density of the premolar region reaches a fair diagnostic accuracy, which might improve when including additional factors in the analysis and refining the densitometric tool.
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