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KMID : 0353420210450030125
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Oral Biology Research
2021 Volume.45 No. 3 p.125 ~ p.134
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Image findings of filler-related radiopacities and multiple miliary osteoma in facial region
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Kwon Young-Eun
An Seo-Young
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Abstract
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The identification of radiopacities in the facial region is important during routine radiographic examination. This study analyzed the radiographic findings of filler-related radiopacities (FRR) and multiple miliary osteomas (MMO) in this region using dental radiographs. Image data were obtained from patients at the Kyungpook National University Dental Hospital. Cone-beam computed tomography (CBCT)/CT data of patients with multiple facial radiopacities on plain images (panoramic and periapical images; 16 FRR and 224 MMO) were collected and matched with the corresponding conventional images. In the CBCT/CT images, the FRRs were mainly observed in the cheek (87.5%) and retromaxillary space (68.8%) whereas the MMOs were mostly located in the superficial areas of the cheek (81.3%) and chin (36.2%). The statistical differences were only in the retromaxillary space (p<0.05). The FRRs were mostly ring-shaped (68.8%) or nodular in appearance (56.3%), whereas the MMOs presented as calcific foci (96.4%). The results of the chi-square test revealed statistically significant differences in the detection of FRRs and MMOs in the panoramic images (p<0.05), but not the periapical images. The FRRs were located in the deeper layers of the skin and were more diverse in appearance than the MMOs. Moreover, FRRs were better identified than MMO in the panoramic images. Dentists should have knowledges about image findings of FRRs and be able to differentiate them from MMOs based on the radiographic images.
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KEYWORD
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Cone-beam computed tomogrphy, Dermal filler, Radiography, dental
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