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. 2021 Mar;27(2):312-319.
doi: 10.1111/odi.13534. Epub 2020 Aug 1.

Osteomyelitis, osteoradionecrosis, or medication-related osteonecrosis of the jaws? Can CBCT enhance radiographic diagnosis?

Hugo Gaêta-Araujo  1   2 , Olivier Vanderhaeghen  2   3 , Karla de Faria Vasconcelos  2   3 , Wim Coucke  4 , Ruxandra Coropciuc  2   3 , Constantinus Politis  2   3 , Reinhilde Jacobs  2   3   5
Affiliations

Osteomyelitis, osteoradionecrosis, or medication-related osteonecrosis of the jaws? Can CBCT enhance radiographic diagnosis?

Hugo Gaêta-Araujo et al. Oral Dis. 2021 Mar.

Abstract

Objective: To attempt defining differential radiographic diagnostic characteristics for osteonecrotic lesions using 2D as opposed to 3D images.

Materials and methods: This was a cross-sectional study. Subjects presenting mandibular osteonecrotic lesions (osteomyelitis, osteoradionecrosis, and medication-related osteonecrosis of the jaws) were selected and compared to a group of age- and gender-matched controls, all having both cone-beam computed tomographic images (CBCT) and panoramic radiographs (PANO). Both imaging modalities (predictor variables) were evaluated by two radiologists that scored lesion presence, eight additional radiological features, and a composite severity index (outcome variables). For each pathologic condition, characteristic features were assessed in PANO and CBCT by the Wilcoxon signed-rank test. Regression tree analysis revealed the predictive value of PANO and CBCT (α = 5%).

Results: Overall, the predictive value of PANO reached 74%, while for CBCT it became 90%. Regarding the composite severity index, CBCT enabled to detect more subtle lesions. Also, CBCT imaging allowed showing more distinct radiographic diagnostic features as compared to PANO imaging, more specifically when distinguishing osteomyelitis from both other lesions.

Conclusions: Cone-beam computed tomography enabled showing more differences in radiological features between distinct osteonecrosis disease entities. CBCT imaging might be a better contributor for the detection of early lesions and to monitor further pathological developments in the mandible.

Keywords: X-ray computed; osteomyelitis; osteonecrosis; osteoradionecrosis; panoramic; radiography; tomography.

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References

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