Journal
ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTICS
Volume 100, Issue 2, Pages 226-231Publisher
MOSBY, INC
DOI: 10.1016/j.tripleo.2004.11.052
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Objective. The purpose of this study was to determine whether simple visual estimation of the mandibular inferior cortex width on panoramic radiographs is useful for identifying postmenopausal women with low skeletal bone mineral density (BMD). Study design. Panoramic radiographs were made on 100 women aged 50-84 years who also had BMD assessment of the lumbar spine and femoral neck by dual-energy x-ray absorptiometry. The panoramic images were examined twice by 4 observers to evaluate the thickness of the mandibular inferior cortex. Results. Intraobserver agreement varied from moderate to almost perfect. Interobserver agreements varied from fair to almost perfect. Overall mean sensitivity, specificity and positive predictive value in identifying women with low BMD were 54.7%, 82.0%, and 72.5% in the lumbar spine and 51.8%, 82.2%, and 75.7% in the femoral neck, respectively. Conclusions. Our results suggest that simple visual estimation of the mandibular inferior cortex on panoramic radiographs may be useful for identifying postmenopausal women with low BMD.
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