Comparison of mandibular radiomorphometric indices on digital panoramic radiography and cone-beam computed tomography images in terms of osteoporosis risk detection
Creators
- 1. University of Health Sciences, Faculty of Gulhane Dentistry, Department of Dentomaxillofacial Radiology, Ankara, Turkey
- 2. University of Health Sciences, Faculty of Gulhane Dentistry, Department of Oral and Maxillofacial Surgery, Ankara, Turkey.
- 3. Tuncer ÖZEN Dental Clinic, Çankaya, Ankara, Turkey
- 4. Dentistomo Dental Imaging Center, Çankaya, Ankara, Turkey
Description
Aim: The aim of this study was to compare the assessment of mental index, mandibular cortical index and bone quality index on digital panoramic radiography and cone-beam computed tomography.
Materials and Methods: Digital-panoramic-radiography and cone-beam-computerized-tomography images of 113 dental-patients who aged more than 45 years without systemic diseases were evaluated. The patients were divided into two groups according to mental-index (which was measured on panoramic-radiography) value set by £3 mm; the patients with osteoporosis risk and without. Mental-index was performed on both side(left-right), and the average value of two measurements was calculated. Mental-index, computerized-tomography-mental-index, mandibular-cortical-index, computerized-tomography-cortical-index and bone-quality-index were measured on digital-panoramic-radiography and cone-beam-computerized-tomography by two observers. Descriptive and logistic regression statistics were performed; p<0.05 was considered significant.
Results: The results of both methods were consistent with each other. For observers there were statistically significant differences between the osteoporotic risk-groups and the normal-groups for computerized-tomography-mental-index (p<0.001), mandibular-cortical-index/computerized-tomography-cortical-index, bone-quality-index. According to first and second observers’ measurements the optimum threshold value of computerized-tomography-mental-index was found respectively 3.01mm and 3.03mm for the risk of osteoporosis. The correlation(weighted-kappa-test) between mandibular-cortical-index and computerized-tomography-cortical-index values for observers’ evaluations respectively (1st and 2nd observer) was moderate and high. The frequency distributions of 1,2,3 classes were found significantly different(p<0.05) in both individuals with(osteoporotic) and without(healthy) risk of osteoporosis for bone-quality-index values in both digital-panoramic-radiography and cone-beam-computerized-tomography images.
Conclusions: cone-beam-computerized-tomography images can be used to assess the osteoporosis. By determining a threshold value in cone-beam-computerized-tomography, awareness of the patient can be raised by the dentist according to the status of these values, which can be easily measured on the image.
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2023_1_1_4.pdf
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